249559368 has 16 divisors (see below), whose sum is σ = 623898480. Its totient is φ = 83186448.

The previous prime is 249559367. The next prime is 249559397. The reversal of 249559368 is 863955942.

It is a self number, because there is not a number n which added to its sum of digits gives 249559368.

It is not an unprimeable number, because it can be changed into a prime (249559367) 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, 5199130 + ... + 5199177.

It is an arithmetic number, because the mean of its divisors is an integer number (38993655).

Almost surely, 2^249559368 is an apocalyptic number.

It is an amenable number.

249559368 is an abundant number, since it is smaller than the sum of its proper divisors (374339112).

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

249559368 is a wasteful number, since it uses less digits than its factorization.

249559368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398316 (or 10398312 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 249559368 is about 15797.4481483561. The cubic root of 249559368 is about 629.5901996045.

The spelling of 249559368 in words is "two hundred forty-nine million, five hundred fifty-nine thousand, three hundred sixty-eight".