928388 has 12 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 449160.

The previous prime is 928351. The next prime is 928399. The reversal of 928388 is 883829.

It is an unprimeable number.

928388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (139776).

2⁹²⁸³⁸⁸ is an apocalyptic number.

It is an amenable number.

928388 is a deficient number, since it is larger than the sum of its proper divisors (748924).

928388 is a wasteful number, since it uses less digits than its factorization.

928388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522 (or 7520 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 928388 is about 963.5289305465. The cubic root of 928388 is about 97.5535712612.

The spelling of 928388 in words is "nine hundred twenty-eight thousand, three hundred eighty-eight".