108992728 has 16 divisors (see below), whose sum is σ = 220081680. Its totient is φ = 50304288.

The previous prime is 108992711. The next prime is 108992731. The reversal of 108992728 is 827299801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523900 + ... + 524107.

It is an arithmetic number, because the mean of its divisors is an integer number (13755105).

Almost surely, 2^108992728 is an apocalyptic number.

It is an amenable number.

108992728 is an abundant number, since it is smaller than the sum of its proper divisors (111088952).

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

108992728 is a wasteful number, since it uses less digits than its factorization.

108992728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048026 (or 1048022 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 108992728 is about 10439.9582374644. The cubic root of 108992728 is about 477.6749948403.

The spelling of 108992728 in words is "one hundred eight million, nine hundred ninety-two thousand, seven hundred twenty-eight".