249384432 has 40 divisors (see below), whose sum is σ = 702812160. Its totient is φ = 75570880.

The previous prime is 249384413. The next prime is 249384449. The reversal of 249384432 is 234483942.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235632 + ... + 236687.

It is an arithmetic number, because the mean of its divisors is an integer number (17570304).

Almost surely, 2^249384432 is an apocalyptic number.

249384432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

249384432 is an abundant number, since it is smaller than the sum of its proper divisors (453427728).

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

249384432 is a wasteful number, since it uses less digits than its factorization.

249384432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472341 (or 472335 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 249384432 is about 15791.9103340919. The cubic root of 249384432 is about 629.4430552772.

The spelling of 249384432 in words is "two hundred forty-nine million, three hundred eighty-four thousand, four hundred thirty-two".