249665332 has 24 divisors (see below), whose sum is σ = 528704064. Its totient is φ = 100705152.

The previous prime is 249665327. The next prime is 249665333. The reversal of 249665332 is 233566942.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249665333) 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, 261778 + ... + 262729.

It is an arithmetic number, because the mean of its divisors is an integer number (22029336).

Almost surely, 2^249665332 is an apocalyptic number.

It is an amenable number.

249665332 is an abundant number, since it is smaller than the sum of its proper divisors (279038732).

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

249665332 is a wasteful number, since it uses less digits than its factorization.

249665332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524535 (or 524533 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 249665332 is about 15800.8016252341. The cubic root of 249665332 is about 629.6792959137.

The spelling of 249665332 in words is "two hundred forty-nine million, six hundred sixty-five thousand, three hundred thirty-two".