264795391 has 8 divisors (see below), whose sum is σ = 303524000. Its totient is φ = 226291968.

The previous prime is 264795341. The next prime is 264795431. The reversal of 264795391 is 193597462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264795391 - 2²⁵ = 231240959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264795301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53766 + ... + 58483.

It is an arithmetic number, because the mean of its divisors is an integer number (37940500).

Almost surely, 2^264795391 is an apocalyptic number.

264795391 is a deficient number, since it is larger than the sum of its proper divisors (38728609).

264795391 is a wasteful number, since it uses less digits than its factorization.

264795391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112593.

The product of its digits is 408240, while the sum is 46.

The square root of 264795391 is about 16272.5348670697. The cubic root of 264795391 is about 642.1504735878.

The spelling of 264795391 in words is "two hundred sixty-four million, seven hundred ninety-five thousand, three hundred ninety-one".