105640684 has 24 divisors (see below), whose sum is σ = 200883200. Its totient is φ = 48425040.

The previous prime is 105640651. The next prime is 105640699. The reversal of 105640684 is 486046501.

It is a super-2 number, since 2×105640684² = 22319908231975712, 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, 20064 + ... + 24775.

Almost surely, 2^105640684 is an apocalyptic number.

It is an amenable number.

105640684 is a deficient number, since it is larger than the sum of its proper divisors (95242516).

105640684 is a wasteful number, since it uses less digits than its factorization.

105640684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44893 (or 44891 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 105640684 is about 10278.1654004983. The cubic root of 105640684 is about 472.7269930113.

The spelling of 105640684 in words is "one hundred five million, six hundred forty thousand, six hundred eighty-four".