249039312 has 20 divisors (see below), whose sum is σ = 643351680. Its totient is φ = 83013088.

The previous prime is 249039283. The next prime is 249039319. The reversal of 249039312 is 213930942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249039319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594112 + ... + 2594207.

It is an arithmetic number, because the mean of its divisors is an integer number (32167584).

Almost surely, 2^249039312 is an apocalyptic number.

It is an amenable number.

249039312 is an abundant number, since it is smaller than the sum of its proper divisors (394312368).

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

249039312 is a wasteful number, since it uses less digits than its factorization.

249039312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188330 (or 5188324 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 249039312 is about 15780.9794372846. The cubic root of 249039312 is about 629.1525617722.

The spelling of 249039312 in words is "two hundred forty-nine million, thirty-nine thousand, three hundred twelve".