108840906 has 24 divisors (see below), whose sum is σ = 240273540. Its totient is φ = 35595456.

The previous prime is 108840889. The next prime is 108840913. The reversal of 108840906 is 609048801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103124025 + 5716881 = 10155^2 + 2391^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56091 + ... + 57998.

Almost surely, 2^108840906 is an apocalyptic number.

108840906 is an abundant number, since it is smaller than the sum of its proper divisors (131432634).

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

108840906 is a wasteful number, since it uses less digits than its factorization.

108840906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114150 (or 114147 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 108840906 is about 10432.6845059170. The cubic root of 108840906 is about 477.4530984698.

It can be divided in two parts, 108840 and 906, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 108840906 in words is "one hundred eight million, eight hundred forty thousand, nine hundred six".