108399860 has 24 divisors (see below), whose sum is σ = 232485120. Its totient is φ = 42437024.

The previous prime is 108399847. The next prime is 108399911. The reversal of 108399860 is 68993801.

It is a congruent number.

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, 56720 + ... + 58599.

It is an arithmetic number, because the mean of its divisors is an integer number (9686880).

Almost surely, 2^108399860 is an apocalyptic number.

108399860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108399860 is an abundant number, since it is smaller than the sum of its proper divisors (124085260).

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

108399860 is a wasteful number, since it uses less digits than its factorization.

108399860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115375 (or 115373 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 108399860 is about 10411.5253445401. The cubic root of 108399860 is about 476.8073122931.

The spelling of 108399860 in words is "one hundred eight million, three hundred ninety-nine thousand, eight hundred sixty".