195115928 has 16 divisors (see below), whose sum is σ = 418105680. Its totient is φ = 83621088.

The previous prime is 195115909. The next prime is 195115931. The reversal of 195115928 is 829511591.

195115928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1742051 + ... + 1742162.

It is an arithmetic number, because the mean of its divisors is an integer number (26131605).

Almost surely, 2^195115928 is an apocalyptic number.

It is an amenable number.

195115928 is an abundant number, since it is smaller than the sum of its proper divisors (222989752).

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

195115928 is a wasteful number, since it uses less digits than its factorization.

195115928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484226 (or 3484222 counting only the distinct ones).

The product of its digits is 32400, while the sum is 41.

The square root of 195115928 is about 13968.3903152797. The cubic root of 195115928 is about 580.0038921657.

The spelling of 195115928 in words is "one hundred ninety-five million, one hundred fifteen thousand, nine hundred twenty-eight".