108186972 has 12 divisors (see below), whose sum is σ = 252436296. Its totient is φ = 36062320.

The previous prime is 108186971. The next prime is 108186979. The reversal of 108186972 is 279681801.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108186971) 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, 4507779 + ... + 4507802.

It is an arithmetic number, because the mean of its divisors is an integer number (21036358).

Almost surely, 2^108186972 is an apocalyptic number.

108186972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108186972 is an abundant number, since it is smaller than the sum of its proper divisors (144249324).

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

108186972 is a wasteful number, since it uses less digits than its factorization.

108186972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015588 (or 9015586 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 108186972 is about 10401.2966499374. The cubic root of 108186972 is about 476.4949715522.

The spelling of 108186972 in words is "one hundred eight million, one hundred eighty-six thousand, nine hundred seventy-two".