679436 has 6 divisors (see below), whose sum is σ = 1189020. Its totient is φ = 339716.

The previous prime is 679433. The next prime is 679451. The reversal of 679436 is 634976.

It is a junction number, because it is equal to n+sod(n) for n = 679396 and 679405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 679436.

It is not an unprimeable number, because it can be changed into a prime (679433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84926 + ... + 84933.

It is an arithmetic number, because the mean of its divisors is an integer number (198170).

2⁶⁷⁹⁴³⁶ is an apocalyptic number.

It is an amenable number.

679436 is a deficient number, since it is larger than the sum of its proper divisors (509584).

679436 is a wasteful number, since it uses less digits than its factorization.

679436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169863 (or 169861 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 679436 is about 824.2790789532. The cubic root of 679436 is about 87.9122748368.

The spelling of 679436 in words is "six hundred seventy-nine thousand, four hundred thirty-six".