679834 has 8 divisors (see below), whose sum is σ = 1064160. Its totient is φ = 325116.

The previous prime is 679829. The next prime is 679837. The reversal of 679834 is 438976.

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

It is a junction number, because it is equal to n+sod(n) for n = 679793 and 679802.

It is not an unprimeable number, because it can be changed into a prime (679837) 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, 7344 + ... + 7435.

It is an arithmetic number, because the mean of its divisors is an integer number (133020).

2⁶⁷⁹⁸³⁴ is an apocalyptic number.

679834 is a deficient number, since it is larger than the sum of its proper divisors (384326).

679834 is a wasteful number, since it uses less digits than its factorization.

679834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804.

The product of its digits is 36288, while the sum is 37.

The square root of 679834 is about 824.5204666956. The cubic root of 679834 is about 87.9294372361.

It can be divided in two parts, 6798 and 34, that multiplied together give a palindrome (231132).

The spelling of 679834 in words is "six hundred seventy-nine thousand, eight hundred thirty-four".