499165904 has 10 divisors (see below), whose sum is σ = 967133970. Its totient is φ = 249582944.

The previous prime is 499165903. The next prime is 499165907. The reversal of 499165904 is 409561994.

It can be written as a sum of positive squares in only one way, i.e., 277155904 + 222010000 = 16648^2 + 14900^2 .

It is a super-2 number, since 2×499165904² = 498333199432274432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499165903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15598919 + ... + 15598950.

It is an arithmetic number, because the mean of its divisors is an integer number (96713397).

Almost surely, 2^499165904 is an apocalyptic number.

It is an amenable number.

499165904 is a deficient number, since it is larger than the sum of its proper divisors (467968066).

499165904 is a wasteful number, since it uses less digits than its factorization.

499165904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31197877 (or 31197871 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 499165904 is about 22342.0210366028. The cubic root of 499165904 is about 793.2589320492.

The spelling of 499165904 in words is "four hundred ninety-nine million, one hundred sixty-five thousand, nine hundred four".