679340 has 12 divisors (see below), whose sum is σ = 1426656. Its totient is φ = 271728.

The previous prime is 679333. The next prime is 679361. The reversal of 679340 is 43976.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16964 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (118888).

2⁶⁷⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

679340 is an abundant number, since it is smaller than the sum of its proper divisors (747316).

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

679340 is a wasteful number, since it uses less digits than its factorization.

679340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33976 (or 33974 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 679340 is about 824.2208441917. The cubic root of 679340 is about 87.9081341594.

It can be divided in two parts, 679 and 340, that multiplied together give a triangular number (230860 = T₆₇₉).

The spelling of 679340 in words is "six hundred seventy-nine thousand, three hundred forty".