4990

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
2
5
499

Its 8 divisors are:
1
2
5
10
499
998
2495
4990
Its aliquote sum is:
4010
makeing it a deficient number.

The number appears at position 11420 of the decimal digits of π surrounded by
57099558561134980252499066984233017350358044 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 792.339ms; cpu: 74.4319999999874ms)