928879 has 4 divisors (see below), whose sum is σ = 1061584. Its totient is φ = 796176.

The previous prime is 928871. The next prime is 928883. The reversal of 928879 is 978829.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978829 = 211 ⋅4639.

It is a cyclic number.

It is not a de Polignac number, because 928879 - 2³ = 928871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928871) 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, 66342 + ... + 66355.

It is an arithmetic number, because the mean of its divisors is an integer number (265396).

2⁹²⁸⁸⁷⁹ is an apocalyptic number.

928879 is a deficient number, since it is larger than the sum of its proper divisors (132705).

928879 is a wasteful number, since it uses less digits than its factorization.

928879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132704.

The product of its digits is 72576, while the sum is 43.

The square root of 928879 is about 963.7836894241. The cubic root of 928879 is about 97.5707660698.

The spelling of 928879 in words is "nine hundred twenty-eight thousand, eight hundred seventy-nine".