108628992 has 88 divisors (see below), whose sum is σ = 321788400. Its totient is φ = 36200448.

The previous prime is 108628981. The next prime is 108629009. The reversal of 108628992 is 299826801.

108628992 is a `hidden beast` number, since 10 + 8 + 628 + 9 + 9 + 2 = 666.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25684 + ... + 29612.

Almost surely, 2^108628992 is an apocalyptic number.

108628992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108628992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160894200).

108628992 is an abundant number, since it is smaller than the sum of its proper divisors (213159408).

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

108628992 is an equidigital number, since it uses as much as digits as its factorization.

108628992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 108628992 is about 10422.5233029243. The cubic root of 108628992 is about 477.1430289805.

The spelling of 108628992 in words is "one hundred eight million, six hundred twenty-eight thousand, nine hundred ninety-two".