679356 has 36 divisors (see below), whose sum is σ = 1742832. Its totient is φ = 223104.

The previous prime is 679333. The next prime is 679361. The reversal of 679356 is 653976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 679356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3985 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (48412).

2⁶⁷⁹³⁵⁶ is an apocalyptic number.

It is an amenable number.

679356 is an abundant number, since it is smaller than the sum of its proper divisors (1063476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679356 is a wasteful number, since it uses less digits than its factorization.

679356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 679356 is about 824.2305502710. The cubic root of 679356 is about 87.9088242994.

It can be divided in two parts, 679 and 356, that added together give a triangular number (1035 = T₄₅).

The spelling of 679356 in words is "six hundred seventy-nine thousand, three hundred fifty-six".