264949857 has 48 divisors (see below), whose sum is σ = 413157888. Its totient is φ = 163215360.

The previous prime is 264949849. The next prime is 264949877. The reversal of 264949857 is 758949462.

264949857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264949857 - 2³ = 264949849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264949837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099257 + ... + 1099497.

It is an arithmetic number, because the mean of its divisors is an integer number (8607456).

Almost surely, 2^264949857 is an apocalyptic number.

It is an amenable number.

264949857 is a deficient number, since it is larger than the sum of its proper divisors (148208031).

264949857 is a wasteful number, since it uses less digits than its factorization.

264949857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 427 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 264949857 is about 16277.2803932352. The cubic root of 264949857 is about 642.2753135427.

The spelling of 264949857 in words is "two hundred sixty-four million, nine hundred forty-nine thousand, eight hundred fifty-seven".