862479 has 12 divisors (see below), whose sum is σ = 1267032. Its totient is φ = 565200.

The previous prime is 862471. The next prime is 862481. The reversal of 862479 is 974268.

862479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 862479 - 2³ = 862471 is a prime.

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 862479.

It is not an unprimeable number, because it can be changed into a prime (862471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (105586).

2⁸⁶²⁴⁷⁹ is an apocalyptic number.

862479 is a deficient number, since it is larger than the sum of its proper divisors (404553).

862479 is a wasteful number, since it uses less digits than its factorization.

862479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1635 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 862479 is about 928.6974749616. The cubic root of 862479 is about 95.1881405442.

The spelling of 862479 in words is "eight hundred sixty-two thousand, four hundred seventy-nine".