249412624 has 10 divisors (see below), whose sum is σ = 483236990. Its totient is φ = 124706304.

The previous prime is 249412567. The next prime is 249412637. The reversal of 249412624 is 426214942.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 89643024 = 12640^2 + 9468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 249412624.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7794129 + ... + 7794160.

It is an arithmetic number, because the mean of its divisors is an integer number (48323699).

Almost surely, 2^249412624 is an apocalyptic number.

It is an amenable number.

249412624 is a deficient number, since it is larger than the sum of its proper divisors (233824366).

249412624 is a wasteful number, since it uses less digits than its factorization.

249412624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588297 (or 15588291 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 249412624 is about 15792.8029177851. The cubic root of 249412624 is about 629.4667731303.

The spelling of 249412624 in words is "two hundred forty-nine million, four hundred twelve thousand, six hundred twenty-four".