249385072 has 10 divisors (see below), whose sum is σ = 483183608. Its totient is φ = 124692528.

The previous prime is 249385063. The next prime is 249385091. The reversal of 249385072 is 270583942.

249385072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7793268 + ... + 7793299.

Almost surely, 2^249385072 is an apocalyptic number.

It is an amenable number.

249385072 is a deficient number, since it is larger than the sum of its proper divisors (233798536).

249385072 is a wasteful number, since it uses less digits than its factorization.

249385072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15586575 (or 15586569 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 249385072 is about 15791.9305976185. The cubic root of 249385072 is about 629.4435937273.

The spelling of 249385072 in words is "two hundred forty-nine million, three hundred eighty-five thousand, seventy-two".