499611904 has 81 divisors (see below), whose sum is σ = 1104874491. Its totient is φ = 225308160.

The previous prime is 499611869. The next prime is 499611907. The reversal of 499611904 is 409116994.

It is a happy number.

The square root of 499611904 is 22352.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×499611904² = 499224109237010432, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499611907) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3933889 + ... + 3934015.

Almost surely, 2^499611904 is an apocalyptic number.

499611904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

499611904 is the 22352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499611904

499611904 is an abundant number, since it is smaller than the sum of its proper divisors (605262587).

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

499611904 is an equidigital number, since it uses as much as digits as its factorization.

499611904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The cubic root of 499611904 is about 793.4951181634.

It can be divided in two parts, 4996 and 11904, that added together give a square (16900 = 130²).

The spelling of 499611904 in words is "four hundred ninety-nine million, six hundred eleven thousand, nine hundred four".