128794038 has 16 divisors (see below), whose sum is σ = 263871216. Its totient is φ = 41884160.

The previous prime is 128794037. The next prime is 128794049. The reversal of 128794038 is 830497821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128794031) 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, 261531 + ... + 262022.

It is an arithmetic number, because the mean of its divisors is an integer number (16491951).

Almost surely, 2^128794038 is an apocalyptic number.

128794038 is an abundant number, since it is smaller than the sum of its proper divisors (135077178).

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

128794038 is a wasteful number, since it uses less digits than its factorization.

128794038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523599.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 128794038 is about 11348.7460981379. The cubic root of 128794038 is about 505.0083820456.

The spelling of 128794038 in words is "one hundred twenty-eight million, seven hundred ninety-four thousand, thirty-eight".