108539830 has 32 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 36687840.

The previous prime is 108539803. The next prime is 108539867. The reversal of 108539830 is 38935801.

It is a self number, because there is not a number n which added to its sum of digits gives 108539830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950 + ... + 15889.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^108539830 is an apocalyptic number.

108539830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108539830 is an abundant number, since it is smaller than the sum of its proper divisors (117897290).

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

108539830 is a wasteful number, since it uses less digits than its factorization.

108539830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21924.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 108539830 is about 10418.2450537507. The cubic root of 108539830 is about 477.0124479052.

The spelling of 108539830 in words is "one hundred eight million, five hundred thirty-nine thousand, eight hundred thirty".