928031 has 4 divisors (see below), whose sum is σ = 999432. Its totient is φ = 856632.

The previous prime is 928001. The next prime is 928043. The reversal of 928031 is 130829.

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

It is a cyclic number.

It is not a de Polignac number, because 928031 - 2⁶ = 927967 is a prime.

It is a super-2 number, since 2×928031² = 1722483073922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 927988 and 928006.

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 928031.

It is not an unprimeable number, because it can be changed into a prime (928001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35681 + ... + 35706.

It is an arithmetic number, because the mean of its divisors is an integer number (249858).

2⁹²⁸⁰³¹ is an apocalyptic number.

928031 is a deficient number, since it is larger than the sum of its proper divisors (71401).

928031 is a wasteful number, since it uses less digits than its factorization.

928031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71400.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 928031 is about 963.3436562307. The cubic root of 928031 is about 97.5410653226.

The spelling of 928031 in words is "nine hundred twenty-eight thousand, thirty-one".