679822 has 16 divisors (see below), whose sum is σ = 1198512. Its totient is φ = 285120.

The previous prime is 679807. The next prime is 679823. The reversal of 679822 is 228976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679823) by changing a digit.

679822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (74907).

2⁶⁷⁹⁸²² is an apocalyptic number.

679822 is a deficient number, since it is larger than the sum of its proper divisors (518690).

679822 is a wasteful number, since it uses less digits than its factorization.

679822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its digits is 12096, while the sum is 34.

The square root of 679822 is about 824.5131897065. The cubic root of 679822 is about 87.9289198747.

It can be divided in two parts, 67 and 9822, that added together give a palindrome (9889).

The spelling of 679822 in words is "six hundred seventy-nine thousand, eight hundred twenty-two".