679005 has 24 divisors (see below), whose sum is σ = 1198080. Its totient is φ = 355680.

The previous prime is 678989. The next prime is 679033. The reversal of 679005 is 500976.

It is not a de Polignac number, because 679005 - 2⁴ = 678989 is a prime.

It is a super-2 number, since 2×679005² = 922095580050, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 679005.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3460 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (49920).

2⁶⁷⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

679005 is a deficient number, since it is larger than the sum of its proper divisors (519075).

679005 is a wasteful number, since it uses less digits than its factorization.

679005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 679005 is about 824.0175968995. The cubic root of 679005 is about 87.8936818641.

The spelling of 679005 in words is "six hundred seventy-nine thousand, five".