679506 has 16 divisors (see below), whose sum is σ = 1372800. Its totient is φ = 224208.

The previous prime is 679501. The next prime is 679517. The reversal of 679506 is 605976.

679506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (679501) by changing a digit.

679506 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, 135 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (85800).

2⁶⁷⁹⁵⁰⁶ is an apocalyptic number.

679506 is an abundant number, since it is smaller than the sum of its proper divisors (693294).

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

679506 is a wasteful number, since it uses less digits than its factorization.

679506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 679506 is about 824.3215392066. The cubic root of 679506 is about 87.9152938349.

The spelling of 679506 in words is "six hundred seventy-nine thousand, five hundred six".