928479 has 4 divisors (see below), whose sum is σ = 1237976. Its totient is φ = 618984.

The previous prime is 928471. The next prime is 928513. The reversal of 928479 is 974829.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 928479 - 2³ = 928471 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 928479.

It is not an unprimeable number, because it can be changed into a prime (928471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154744 + ... + 154749.

It is an arithmetic number, because the mean of its divisors is an integer number (309494).

2⁹²⁸⁴⁷⁹ is an apocalyptic number.

928479 is a deficient number, since it is larger than the sum of its proper divisors (309497).

928479 is a wasteful number, since it uses less digits than its factorization.

928479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309496.

The product of its digits is 36288, while the sum is 39.

The square root of 928479 is about 963.5761516351. The cubic root of 928479 is about 97.5567585367.

The spelling of 928479 in words is "nine hundred twenty-eight thousand, four hundred seventy-nine".