108644858 has 24 divisors (see below), whose sum is σ = 200728692. Its totient is φ = 43822464.

The previous prime is 108644857. The next prime is 108644873. The reversal of 108644858 is 858446801.

It can be written as a sum of positive squares in 2 ways, for example, as 108638929 + 5929 = 10423^2 + 77^2 .

It is not an unprimeable number, because it can be changed into a prime (108644857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30941 + ... + 34272.

Almost surely, 2^108644858 is an apocalyptic number.

108644858 is a deficient number, since it is larger than the sum of its proper divisors (92083834).

108644858 is a wasteful number, since it uses less digits than its factorization.

108644858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65246 (or 65239 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 108644858 is about 10423.2844151927. The cubic root of 108644858 is about 477.1662578399.

The spelling of 108644858 in words is "one hundred eight million, six hundred forty-four thousand, eight hundred fifty-eight".