108289928 has 8 divisors (see below), whose sum is σ = 203043630. Its totient is φ = 54144960.

The previous prime is 108289919. The next prime is 108289931. The reversal of 108289928 is 829982801.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 20268004 = 9382^2 + 4502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6768113 + ... + 6768128.

Almost surely, 2^108289928 is an apocalyptic number.

It is an amenable number.

108289928 is a deficient number, since it is larger than the sum of its proper divisors (94753702).

108289928 is a wasteful number, since it uses less digits than its factorization.

108289928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536247 (or 13536243 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 108289928 is about 10406.2446636623. The cubic root of 108289928 is about 476.6460755826.

The spelling of 108289928 in words is "one hundred eight million, two hundred eighty-nine thousand, nine hundred twenty-eight".