108642408 has 48 divisors (see below), whose sum is σ = 315953280. Its totient is φ = 31040352.

The previous prime is 108642379. The next prime is 108642431. The reversal of 108642408 is 804246801.

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, 45016 + ... + 47367.

It is an arithmetic number, because the mean of its divisors is an integer number (6582360).

Almost surely, 2^108642408 is an apocalyptic number.

It is an amenable number.

108642408 is an abundant number, since it is smaller than the sum of its proper divisors (207310872).

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

108642408 is a wasteful number, since it uses less digits than its factorization.

108642408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92406 (or 92395 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 108642408 is about 10423.1668891945. The cubic root of 108642408 is about 477.1626710277.

The spelling of 108642408 in words is "one hundred eight million, six hundred forty-two thousand, four hundred eight".