679012 has 6 divisors (see below), whose sum is σ = 1188278. Its totient is φ = 339504.

The previous prime is 678989. The next prime is 679033. The reversal of 679012 is 210976.

It can be written as a sum of positive squares in only one way, i.e., 678976 + 36 = 824^2 + 6^2 .

It is a super-2 number, since 2×679012² = 922114592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84873 + ... + 84880.

2⁶⁷⁹⁰¹² is an apocalyptic number.

It is an amenable number.

679012 is a deficient number, since it is larger than the sum of its proper divisors (509266).

679012 is a wasteful number, since it uses less digits than its factorization.

679012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169757 (or 169755 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 679012 is about 824.0218443706. The cubic root of 679012 is about 87.8939839009.

Adding to 679012 its reverse (210976), we get a palindrome (889988).

The spelling of 679012 in words is "six hundred seventy-nine thousand, twelve".