264874690 has 32 divisors (see below), whose sum is σ = 494262000. Its totient is φ = 102079488.

The previous prime is 264874613. The next prime is 264874741. The reversal of 264874690 is 96478462.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 109348849 + 155525841 = 10457^2 + 12471^2 .

It is a super-2 number, since 2×264874690² = 140317202805192200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 264874690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234046 + ... + 235174.

Almost surely, 2^264874690 is an apocalyptic number.

264874690 is a deficient number, since it is larger than the sum of its proper divisors (229387310).

264874690 is a wasteful number, since it uses less digits than its factorization.

264874690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 264874690 is about 16274.9712749362. The cubic root of 264874690 is about 642.2145693761.

The spelling of 264874690 in words is "two hundred sixty-four million, eight hundred seventy-four thousand, six hundred ninety".