108389980 has 12 divisors (see below), whose sum is σ = 227619000. Its totient is φ = 43355984.

The previous prime is 108389959. The next prime is 108389989. The reversal of 108389980 is 89983801.

It is a self number, because there is not a number n which added to its sum of digits gives 108389980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108389989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709730 + ... + 2709769.

It is an arithmetic number, because the mean of its divisors is an integer number (18968250).

Almost surely, 2^108389980 is an apocalyptic number.

108389980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108389980 is an abundant number, since it is smaller than the sum of its proper divisors (119229020).

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

108389980 is a wasteful number, since it uses less digits than its factorization.

108389980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419508 (or 5419506 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 108389980 is about 10411.0508595434. The cubic root of 108389980 is about 476.7928258064.

The spelling of 108389980 in words is "one hundred eight million, three hundred eighty-nine thousand, nine hundred eighty".