128395792 has 20 divisors (see below), whose sum is σ = 284305216. Its totient is φ = 55026720.

The previous prime is 128395763. The next prime is 128395793. The reversal of 128395792 is 297593821.

It is not an unprimeable number, because it can be changed into a prime (128395793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573084 + ... + 573307.

Almost surely, 2^128395792 is an apocalyptic number.

It is an amenable number.

128395792 is an abundant number, since it is smaller than the sum of its proper divisors (155909424).

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

128395792 is a wasteful number, since it uses less digits than its factorization.

128395792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146406 (or 1146400 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 128395792 is about 11331.1866986649. The cubic root of 128395792 is about 504.4873299302.

The spelling of 128395792 in words is "one hundred twenty-eight million, three hundred ninety-five thousand, seven hundred ninety-two".