249326856 has 32 divisors (see below), whose sum is σ = 692575200. Its totient is φ = 83108880.

The previous prime is 249326851. The next prime is 249326887. The reversal of 249326856 is 658623942.

249326856 is a `hidden beast` number, since 249 + 326 + 85 + 6 = 666.

249326856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×249326856² = 124327762245689472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249326851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576930 + ... + 577361.

It is an arithmetic number, because the mean of its divisors is an integer number (21642975).

Almost surely, 2^249326856 is an apocalyptic number.

It is an amenable number.

249326856 is an abundant number, since it is smaller than the sum of its proper divisors (443248344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249326856 is a wasteful number, since it uses less digits than its factorization.

249326856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154306 (or 1154296 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 249326856 is about 15790.0872701832. The cubic root of 249326856 is about 629.3946111910.

The spelling of 249326856 in words is "two hundred forty-nine million, three hundred twenty-six thousand, eight hundred fifty-six".