249882064 has 20 divisors (see below), whose sum is σ = 488591620. Its totient is φ = 123793920.

The previous prime is 249882043. The next prime is 249882077. The reversal of 249882064 is 460288942.

It can be written as a sum of positive squares in 2 ways, for example, as 166926400 + 82955664 = 12920^2 + 9108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 249882064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69897 + ... + 73384.

It is an arithmetic number, because the mean of its divisors is an integer number (24429581).

Almost surely, 2^249882064 is an apocalyptic number.

It is an amenable number.

249882064 is a deficient number, since it is larger than the sum of its proper divisors (238709556).

249882064 is a wasteful number, since it uses less digits than its factorization.

249882064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143398 (or 143392 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 249882064 is about 15807.6583971188. The cubic root of 249882064 is about 629.8614493337.

The spelling of 249882064 in words is "two hundred forty-nine million, eight hundred eighty-two thousand, sixty-four".