249688332 has 42 divisors (see below), whose sum is σ = 655139828. Its totient is φ = 83228472.

The previous prime is 249688331. The next prime is 249688337. The reversal of 249688332 is 233886942.

249688332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249688331) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 39898 + ... + 45729.

Almost surely, 2^249688332 is an apocalyptic number.

It is an amenable number.

249688332 is an abundant number, since it is smaller than the sum of its proper divisors (405451496).

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

249688332 is an equidigital number, since it uses as much as digits as its factorization.

249688332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85649 (or 85632 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 249688332 is about 15801.5294196480. The cubic root of 249688332 is about 629.6986313696.

The spelling of 249688332 in words is "two hundred forty-nine million, six hundred eighty-eight thousand, three hundred thirty-two".