100389984 has 24 divisors (see below), whose sum is σ = 263523960. Its totient is φ = 33463296.

The previous prime is 100389959. The next prime is 100390001. The reversal of 100389984 is 489983001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522769 + ... + 522960.

It is an arithmetic number, because the mean of its divisors is an integer number (10980165).

Almost surely, 2^100389984 is an apocalyptic number.

It is an amenable number.

100389984 is an abundant number, since it is smaller than the sum of its proper divisors (163133976).

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

100389984 is a wasteful number, since it uses less digits than its factorization.

100389984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045742 (or 1045734 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 100389984 is about 10019.4802260397. The cubic root of 100389984 is about 464.7614824853.

The spelling of 100389984 in words is "one hundred million, three hundred eighty-nine thousand, nine hundred eighty-four".