249620952 has 64 divisors (see below), whose sum is σ = 714412800. Its totient is φ = 71199360.

The previous prime is 249620947. The next prime is 249620953. The reversal of 249620952 is 259026942.

It is a self number, because there is not a number n which added to its sum of digits gives 249620952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249620953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157299 + ... + 158877.

It is an arithmetic number, because the mean of its divisors is an integer number (11162700).

Almost surely, 2^249620952 is an apocalyptic number.

It is an amenable number.

249620952 is an abundant number, since it is smaller than the sum of its proper divisors (464791848).

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

249620952 is a wasteful number, since it uses less digits than its factorization.

249620952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 249620952 is about 15799.3972036910. The cubic root of 249620952 is about 629.6419835338.

The spelling of 249620952 in words is "two hundred forty-nine million, six hundred twenty thousand, nine hundred fifty-two".