249998924 has 24 divisors (see below), whose sum is σ = 502521600. Its totient is φ = 106601616.

The previous prime is 249998893. The next prime is 249998951. The reversal of 249998924 is 429899942.

249998924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 249998924.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16862 + ... + 28005.

It is an arithmetic number, because the mean of its divisors is an integer number (20938400).

Almost surely, 2^249998924 is an apocalyptic number.

It is an amenable number.

249998924 is an abundant number, since it is smaller than the sum of its proper divisors (252522676).

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

249998924 is a wasteful number, since it uses less digits than its factorization.

249998924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45077 (or 45075 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 249998924 is about 15811.3542746977. The cubic root of 249998924 is about 629.9596211628.

The spelling of 249998924 in words is "two hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred twenty-four".