100784992 has 48 divisors (see below), whose sum is σ = 247387392. Its totient is φ = 39265920.

The previous prime is 100784989. The next prime is 100785007. The reversal of 100784992 is 299487001.

It is a super-2 number, since 2×100784992² = 20315229224880128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17988 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (5153904).

Almost surely, 2^100784992 is an apocalyptic number.

It is an amenable number.

100784992 is an abundant number, since it is smaller than the sum of its proper divisors (146602400).

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

100784992 is a wasteful number, since it uses less digits than its factorization.

100784992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40931 (or 40923 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 100784992 is about 10039.1728742960. The cubic root of 100784992 is about 465.3702558439.

The spelling of 100784992 in words is "one hundred million, seven hundred eighty-four thousand, nine hundred ninety-two".