249394568 has 16 divisors (see below), whose sum is σ = 469215180. Its totient is φ = 124270528.

The previous prime is 249394559. The next prime is 249394571. The reversal of 249394568 is 865493942.

249394568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 161747524 + 87647044 = 12718^2 + 9362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50855 + ... + 55542.

Almost surely, 2^249394568 is an apocalyptic number.

It is an amenable number.

249394568 is a deficient number, since it is larger than the sum of its proper divisors (219820612).

249394568 is a wasteful number, since it uses less digits than its factorization.

249394568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106696 (or 106692 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 249394568 is about 15792.2312546391. The cubic root of 249394568 is about 629.4515828723.

The spelling of 249394568 in words is "two hundred forty-nine million, three hundred ninety-four thousand, five hundred sixty-eight".