100804690 has 32 divisors (see below), whose sum is σ = 218286720. Its totient is φ = 32742144.

The previous prime is 100804673. The next prime is 100804723. The reversal of 100804690 is 96408001.

It is a super-2 number, since 2×100804690² = 20323171051992200, which contains 22 as substring.

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, 36567 + ... + 39226.

It is an arithmetic number, because the mean of its divisors is an integer number (6821460).

Almost surely, 2^100804690 is an apocalyptic number.

100804690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100804690 is an abundant number, since it is smaller than the sum of its proper divisors (117482030).

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

100804690 is a wasteful number, since it uses less digits than its factorization.

100804690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75826.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 100804690 is about 10040.1538832829. The cubic root of 100804690 is about 465.4005720844.

The spelling of 100804690 in words is "one hundred million, eight hundred four thousand, six hundred ninety".