249890332 has 12 divisors (see below), whose sum is σ = 452387880. Its totient is φ = 120636656.

The previous prime is 249890323. The next prime is 249890339. The reversal of 249890332 is 233098942.

It is a super-3 number, since 3×249890332³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249890339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076998 + ... + 1077229.

It is an arithmetic number, because the mean of its divisors is an integer number (37698990).

Almost surely, 2^249890332 is an apocalyptic number.

It is an amenable number.

249890332 is a deficient number, since it is larger than the sum of its proper divisors (202497548).

249890332 is a wasteful number, since it uses less digits than its factorization.

249890332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154260 (or 2154258 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 249890332 is about 15807.9199137647. The cubic root of 249890332 is about 629.8683961269.

The spelling of 249890332 in words is "two hundred forty-nine million, eight hundred ninety thousand, three hundred thirty-two".