115328928 has 192 divisors, whose sum is σ = 368492544. Its totient is φ = 31104000.

The previous prime is 115328891. The next prime is 115328947. The reversal of 115328928 is 829823511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425433 + ... + 425703.

It is an arithmetic number, because the mean of its divisors is an integer number (1919232).

Almost surely, 2^115328928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115328928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184246272).

115328928 is an abundant number, since it is smaller than the sum of its proper divisors (253163616).

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

115328928 is a wasteful number, since it uses less digits than its factorization.

115328928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 331 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 115328928 is about 10739.1306910755. The cubic root of 115328928 is about 486.7576119105.

The spelling of 115328928 in words is "one hundred fifteen million, three hundred twenty-eight thousand, nine hundred twenty-eight".