100439244 has 48 divisors (see below), whose sum is σ = 274108800. Its totient is φ = 31717008.

The previous prime is 100439239. The next prime is 100439279. The reversal of 100439244 is 442934001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22422 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (5710600).

Almost surely, 2^100439244 is an apocalyptic number.

It is an amenable number.

100439244 is an abundant number, since it is smaller than the sum of its proper divisors (173669556).

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

100439244 is a wasteful number, since it uses less digits than its factorization.

100439244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48979 (or 48971 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 100439244 is about 10021.9381359096. The cubic root of 100439244 is about 464.8374874350.

The spelling of 100439244 in words is "one hundred million, four hundred thirty-nine thousand, two hundred forty-four".