108866728 has 32 divisors (see below), whose sum is σ = 218770560. Its totient is φ = 50656320.

The previous prime is 108866683. The next prime is 108866729. The reversal of 108866728 is 827668801.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (108866729) 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, 1188 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (6836580).

Almost surely, 2^108866728 is an apocalyptic number.

It is an amenable number.

108866728 is an abundant number, since it is smaller than the sum of its proper divisors (109903832).

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

108866728 is a wasteful number, since it uses less digits than its factorization.

108866728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16057 (or 16053 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 108866728 is about 10433.9219855239. The cubic root of 108866728 is about 477.4908533284.

The spelling of 108866728 in words is "one hundred eight million, eight hundred sixty-six thousand, seven hundred twenty-eight".