113928906 has 128 divisors (see below), whose sum is σ = 297271296. Its totient is φ = 28304640.

The previous prime is 113928901. The next prime is 113928923. The reversal of 113928906 is 609829311.

113928906 = 368² + 369² + ... + 731².

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113928901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 897015 + ... + 897141.

It is an arithmetic number, because the mean of its divisors is an integer number (2322432).

Almost surely, 2^113928906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113928906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148635648).

113928906 is an abundant number, since it is smaller than the sum of its proper divisors (183342390).

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

113928906 is a wasteful number, since it uses less digits than its factorization.

113928906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 113928906 is about 10673.7484512237. The cubic root of 113928906 is about 484.7799419726.

The spelling of 113928906 in words is "one hundred thirteen million, nine hundred twenty-eight thousand, nine hundred six".