264915830 has 16 divisors (see below), whose sum is σ = 477236880. Its totient is φ = 105880032.

The previous prime is 264915809. The next prime is 264915851. The reversal of 264915830 is 38519462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (264915809) and next prime (264915851).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936 + ... + 23204.

It is an arithmetic number, because the mean of its divisors is an integer number (29827305).

Almost surely, 2^264915830 is an apocalyptic number.

264915830 is a deficient number, since it is larger than the sum of its proper divisors (212321050).

264915830 is a wasteful number, since it uses less digits than its factorization.

264915830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 264915830 is about 16276.2351297835. The cubic root of 264915830 is about 642.2478169716.

The spelling of 264915830 in words is "two hundred sixty-four million, nine hundred fifteen thousand, eight hundred thirty".