108612992 has 64 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 51177984.

The previous prime is 108612989. The next prime is 108612997. The reversal of 108612992 is 299216801.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108612997) 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, 232343 + ... + 232809.

It is an arithmetic number, because the mean of its divisors is an integer number (3580200).

Almost surely, 2^108612992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108612992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114566400).

108612992 is an abundant number, since it is smaller than the sum of its proper divisors (120519808).

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

108612992 is an equidigital number, since it uses as much as digits as its factorization.

108612992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 108612992 is about 10421.7557062138. The cubic root of 108612992 is about 477.1196016456.

The spelling of 108612992 in words is "one hundred eight million, six hundred twelve thousand, nine hundred ninety-two".