249407652 has 24 divisors (see below), whose sum is σ = 626717056. Its totient is φ = 76740768.

The previous prime is 249407603. The next prime is 249407659. The reversal of 249407652 is 256704942.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 249407652.

It is not an unprimeable number, because it can be changed into a prime (249407659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799228 + ... + 799539.

Almost surely, 2^249407652 is an apocalyptic number.

It is an amenable number.

249407652 is an abundant number, since it is smaller than the sum of its proper divisors (377309404).

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

249407652 is a wasteful number, since it uses less digits than its factorization.

249407652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598787 (or 1598785 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 249407652 is about 15792.6455035247. The cubic root of 249407652 is about 629.4625903300.

The spelling of 249407652 in words is "two hundred forty-nine million, four hundred seven thousand, six hundred fifty-two".