679212 has 48 divisors (see below), whose sum is σ = 1859200. Its totient is φ = 213840.

The previous prime is 679207. The next prime is 679219. The reversal of 679212 is 212976.

679212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679212² = 922657881888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 679212.

It is not an unprimeable number, because it can be changed into a prime (679219) by changing a digit.

679212 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 15 ways as a sum of consecutive naturals, for example, 1887 + ... + 2217.

2⁶⁷⁹²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929600).

679212 is an abundant number, since it is smaller than the sum of its proper divisors (1179988).

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

679212 is a wasteful number, since it uses less digits than its factorization.

679212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 355 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 679212 is about 824.1431914419. The cubic root of 679212 is about 87.9026126493.

The spelling of 679212 in words is "six hundred seventy-nine thousand, two hundred twelve".