499371620 has 96 divisors (see below), whose sum is σ = 1175924736. Its totient is φ = 176601600.

The previous prime is 499371589. The next prime is 499371637. The reversal of 499371620 is 26173994.

It is a super-2 number, since 2×499371620² = 498744029722848800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704194 + ... + 1704486.

It is an arithmetic number, because the mean of its divisors is an integer number (12249216).

Almost surely, 2^499371620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499371620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587962368).

499371620 is an abundant number, since it is smaller than the sum of its proper divisors (676553116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499371620 is a wasteful number, since it uses less digits than its factorization.

499371620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 499371620 is about 22346.6243535797. The cubic root of 499371620 is about 793.3678895728.

The spelling of 499371620 in words is "four hundred ninety-nine million, three hundred seventy-one thousand, six hundred twenty".