108393992 has 32 divisors (see below), whose sum is σ = 234117120. Its totient is φ = 46085760.

The previous prime is 108393983. The next prime is 108393997. The reversal of 108393992 is 299393801.

It is not an unprimeable number, because it can be changed into a prime (108393997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (7316160).

Almost surely, 2^108393992 is an apocalyptic number.

It is an amenable number.

108393992 is an abundant number, since it is smaller than the sum of its proper divisors (125723128).

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

108393992 is a wasteful number, since it uses less digits than its factorization.

108393992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15381 (or 15377 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 108393992 is about 10411.2435376376. The cubic root of 108393992 is about 476.7987084819.

The spelling of 108393992 in words is "one hundred eight million, three hundred ninety-three thousand, nine hundred ninety-two".