249957324 has 36 divisors (see below), whose sum is σ = 669005064. Its totient is φ = 78417792.

The previous prime is 249957319. The next prime is 249957347. The reversal of 249957324 is 423759942.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 249957324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203602 + ... + 204825.

It is an arithmetic number, because the mean of its divisors is an integer number (18583474).

Almost surely, 2^249957324 is an apocalyptic number.

It is an amenable number.

249957324 is an abundant number, since it is smaller than the sum of its proper divisors (419047740).

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

249957324 is a wasteful number, since it uses less digits than its factorization.

249957324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408454 (or 408449 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 249957324 is about 15810.0387096300. The cubic root of 249957324 is about 629.9246773138.

The spelling of 249957324 in words is "two hundred forty-nine million, nine hundred fifty-seven thousand, three hundred twenty-four".