679279244 has 24 divisors (see below), whose sum is σ = 1366074528. Its totient is φ = 289509120.

The previous prime is 679279243. The next prime is 679279247. The reversal of 679279244 is 442972976.

It is a super-2 number, since 2×679279244² = 922840582658423072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679279192 and 679279201.

It is not an unprimeable number, because it can be changed into a prime (679279243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61949 + ... + 72084.

It is an arithmetic number, because the mean of its divisors is an integer number (56919772).

Almost surely, 2^679279244 is an apocalyptic number.

It is an amenable number.

679279244 is an abundant number, since it is smaller than the sum of its proper divisors (686795284).

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

679279244 is a wasteful number, since it uses less digits than its factorization.

679279244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134225 (or 134223 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 679279244 is about 26062.9860913902. The cubic root of 679279244 is about 879.0551342663.

The spelling of 679279244 in words is "six hundred seventy-nine million, two hundred seventy-nine thousand, two hundred forty-four".