105609804 has 24 divisors (see below), whose sum is σ = 246790320. Its totient is φ = 35150784.

The previous prime is 105609737. The next prime is 105609811. The reversal of 105609804 is 408906501.

It is a super-2 number, since 2×105609804² = 22306861401836832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302 + ... + 14714.

It is an arithmetic number, because the mean of its divisors is an integer number (10282930).

Almost surely, 2^105609804 is an apocalyptic number.

It is an amenable number.

105609804 is an abundant number, since it is smaller than the sum of its proper divisors (141180516).

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

105609804 is a wasteful number, since it uses less digits than its factorization.

105609804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 105609804 is about 10276.6630770888. The cubic root of 105609804 is about 472.6809273240.

The spelling of 105609804 in words is "one hundred five million, six hundred nine thousand, eight hundred four".