814979 has 8 divisors (see below), whose sum is σ = 910272. Its totient is φ = 723240.

The previous prime is 814949. The next prime is 814991. The reversal of 814979 is 979418.

814979 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 814979 - 2¹⁶ = 749443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (814939) 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 7 ways as a sum of consecutive naturals, for example, 389 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (113784).

2⁸¹⁴⁹⁷⁹ is an apocalyptic number.

814979 is a deficient number, since it is larger than the sum of its proper divisors (95293).

814979 is a wasteful number, since it uses less digits than its factorization.

814979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its digits is 18144, while the sum is 38.

The square root of 814979 is about 902.7618733642. The cubic root of 814979 is about 93.4075840552.

It can be divided in two parts, 8149 and 79, that added together give a palindrome (8228).

The spelling of 814979 in words is "eight hundred fourteen thousand, nine hundred seventy-nine".