109388256 has 24 divisors (see below), whose sum is σ = 287144424. Its totient is φ = 36462720.

The previous prime is 109388249. The next prime is 109388297. The reversal of 109388256 is 652883901.

It is a tau number, because it is divible by the number of its divisors (24).

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, 569635 + ... + 569826.

It is an arithmetic number, because the mean of its divisors is an integer number (11964351).

Almost surely, 2^109388256 is an apocalyptic number.

109388256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109388256 is an abundant number, since it is smaller than the sum of its proper divisors (177756168).

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

109388256 is a wasteful number, since it uses less digits than its factorization.

109388256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139474 (or 1139466 counting only the distinct ones).

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

The square root of 109388256 is about 10458.8840704924. The cubic root of 109388256 is about 478.2521151532.

The spelling of 109388256 in words is "one hundred nine million, three hundred eighty-eight thousand, two hundred fifty-six".