128382892 has 24 divisors (see below), whose sum is σ = 245543760. Its totient is φ = 58248960.

The previous prime is 128382889. The next prime is 128382893. The reversal of 128382892 is 298283821.

It is not an unprimeable number, because it can be changed into a prime (128382893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24784 + ... + 29512.

It is an arithmetic number, because the mean of its divisors is an integer number (10230990).

Almost surely, 2^128382892 is an apocalyptic number.

It is an amenable number.

128382892 is a deficient number, since it is larger than the sum of its proper divisors (117160868).

128382892 is a wasteful number, since it uses less digits than its factorization.

128382892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361 (or 5359 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 128382892 is about 11330.6174589031. The cubic root of 128382892 is about 504.4704339858.

The spelling of 128382892 in words is "one hundred twenty-eight million, three hundred eighty-two thousand, eight hundred ninety-two".