249874764 has 24 divisors (see below), whose sum is σ = 598800048. Its totient is φ = 81040320.

The previous prime is 249874733. The next prime is 249874769. The reversal of 249874764 is 467478942.

It is a happy number.

249874764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249874769) 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, 280947 + ... + 281834.

It is an arithmetic number, because the mean of its divisors is an integer number (24950002).

Almost surely, 2^249874764 is an apocalyptic number.

It is an amenable number.

249874764 is an abundant number, since it is smaller than the sum of its proper divisors (348925284).

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

249874764 is a wasteful number, since it uses less digits than its factorization.

249874764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562825 (or 562823 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 249874764 is about 15807.4274946938. The cubic root of 249874764 is about 629.8553157291.

The spelling of 249874764 in words is "two hundred forty-nine million, eight hundred seventy-four thousand, seven hundred sixty-four".