264372891 has 8 divisors (see below), whose sum is σ = 354535440. Its totient is φ = 175229472.

The previous prime is 264372869. The next prime is 264372907. The reversal of 264372891 is 198273462.

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

It is not a de Polignac number, because 264372891 - 2⁶ = 264372827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264372811) 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 in 7 ways as a sum of consecutive naturals, for example, 254176 + ... + 255213.

It is an arithmetic number, because the mean of its divisors is an integer number (44316930).

Almost surely, 2^264372891 is an apocalyptic number.

264372891 is a deficient number, since it is larger than the sum of its proper divisors (90162549).

264372891 is a wasteful number, since it uses less digits than its factorization.

264372891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509565.

The product of its digits is 145152, while the sum is 42.

The square root of 264372891 is about 16259.5476874358. The cubic root of 264372891 is about 641.8087594319.

The spelling of 264372891 in words is "two hundred sixty-four million, three hundred seventy-two thousand, eight hundred ninety-one".