100890984 has 16 divisors (see below), whose sum is σ = 252227520. Its totient is φ = 33630320.

The previous prime is 100890983. The next prime is 100890991. The reversal of 100890984 is 489098001.

It is not an unprimeable number, because it can be changed into a prime (100890983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101872 + ... + 2101919.

It is an arithmetic number, because the mean of its divisors is an integer number (15764220).

Almost surely, 2^100890984 is an apocalyptic number.

It is an amenable number.

100890984 is an abundant number, since it is smaller than the sum of its proper divisors (151336536).

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

100890984 is a wasteful number, since it uses less digits than its factorization.

100890984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203800 (or 4203796 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 100890984 is about 10044.4504080612. The cubic root of 100890984 is about 465.5333364838.

The spelling of 100890984 in words is "one hundred million, eight hundred ninety thousand, nine hundred eighty-four".