264404894 has 12 divisors (see below), whose sum is σ = 429462936. Its totient is φ = 122032872.

The previous prime is 264404891. The next prime is 264404909. The reversal of 264404894 is 498404462.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264404891) 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 5 ways as a sum of consecutive naturals, for example, 390794 + ... + 391469.

It is an arithmetic number, because the mean of its divisors is an integer number (35788578).

Almost surely, 2^264404894 is an apocalyptic number.

264404894 is a deficient number, since it is larger than the sum of its proper divisors (165058042).

264404894 is a wasteful number, since it uses less digits than its factorization.

264404894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782291 (or 782278 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 264404894 is about 16260.5317871218. The cubic root of 264404894 is about 641.8346559058.

The spelling of 264404894 in words is "two hundred sixty-four million, four hundred four thousand, eight hundred ninety-four".