264397674 has 16 divisors (see below), whose sum is σ = 535489920. Its totient is φ = 87016800.

The previous prime is 264397631. The next prime is 264397687. The reversal of 264397674 is 476793462.

It is a super-2 number, since 2×264397674² = 139812260033220552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278427 + ... + 279374.

It is an arithmetic number, because the mean of its divisors is an integer number (33468120).

Almost surely, 2^264397674 is an apocalyptic number.

264397674 is an abundant number, since it is smaller than the sum of its proper divisors (271092246).

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

264397674 is a wasteful number, since it uses less digits than its factorization.

264397674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557885.

The product of its digits is 1524096, while the sum is 48.

The square root of 264397674 is about 16260.3097756470. The cubic root of 264397674 is about 641.8288137441.

The spelling of 264397674 in words is "two hundred sixty-four million, three hundred ninety-seven thousand, six hundred seventy-four".