249752216 has 48 divisors (see below), whose sum is σ = 568445040. Its totient is φ = 102379200.

The previous prime is 249752171. The next prime is 249752249. The reversal of 249752216 is 612257942.

It is a self number, because there is not a number n which added to its sum of digits gives 249752216.

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, 4835 + ... + 22866.

It is an arithmetic number, because the mean of its divisors is an integer number (11842605).

Almost surely, 2^249752216 is an apocalyptic number.

It is an amenable number.

249752216 is an abundant number, since it is smaller than the sum of its proper divisors (318692824).

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

249752216 is a wasteful number, since it uses less digits than its factorization.

249752216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27744 (or 27733 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 249752216 is about 15803.5507402609. The cubic root of 249752216 is about 629.7523306310.

The spelling of 249752216 in words is "two hundred forty-nine million, seven hundred fifty-two thousand, two hundred sixteen".