679554 has 24 divisors (see below), whose sum is σ = 1550640. Its totient is φ = 214488.

The previous prime is 679537. The next prime is 679561. The reversal of 679554 is 455976.

It is an unprimeable number.

679554 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 11 ways as a sum of consecutive naturals, for example, 652 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (64610).

2⁶⁷⁹⁵⁵⁴ is an apocalyptic number.

679554 is an abundant number, since it is smaller than the sum of its proper divisors (871086).

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

679554 is a wasteful number, since it uses less digits than its factorization.

679554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2011 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 679554 is about 824.3506535450. The cubic root of 679554 is about 87.9173638852.

The spelling of 679554 in words is "six hundred seventy-nine thousand, five hundred fifty-four".