108398256 has 80 divisors (see below), whose sum is σ = 300837888. Its totient is φ = 33510400.

The previous prime is 108398243. The next prime is 108398261. The reversal of 108398256 is 652893801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57001 + ... + 58871.

Almost surely, 2^108398256 is an apocalyptic number.

108398256 is a gapful number since it is divisible by the number (16) 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 108398256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150418944).

108398256 is an abundant number, since it is smaller than the sum of its proper divisors (192439632).

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

108398256 is a wasteful number, since it uses less digits than its factorization.

108398256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 108398256 is about 10411.4483142356. The cubic root of 108398256 is about 476.8049604982.

The spelling of 108398256 in words is "one hundred eight million, three hundred ninety-eight thousand, two hundred fifty-six".