679228 has 24 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 300720.

The previous prime is 679223. The next prime is 679229. The reversal of 679228 is 822976.

It is a super-2 number, since 2×679228² = 922701351968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679193 and 679202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁶⁷⁹²²⁸ is an apocalyptic number.

It is an amenable number.

679228 is a deficient number, since it is larger than the sum of its proper divisors (651332).

679228 is a wasteful number, since it uses less digits than its factorization.

679228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 415 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 679228 is about 824.1528984357. The cubic root of 679228 is about 87.9033028760.

The spelling of 679228 in words is "six hundred seventy-nine thousand, two hundred twenty-eight".