679444698 has 16 divisors (see below), whose sum is σ = 1366746336. Its totient is φ = 225172080.

The previous prime is 679444697. The next prime is 679444709. The reversal of 679444698 is 896444976.

679444698 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 2×679444698² = 923290195280622408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679444697) 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, 326248 + ... + 328323.

It is an arithmetic number, because the mean of its divisors is an integer number (85421646).

Almost surely, 2^679444698 is an apocalyptic number.

679444698 is an abundant number, since it is smaller than the sum of its proper divisors (687301638).

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

679444698 is a wasteful number, since it uses less digits than its factorization.

679444698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654749.

The product of its digits is 10450944, while the sum is 57.

The square root of 679444698 is about 26066.1600163891. The cubic root of 679444698 is about 879.1264998018.

The spelling of 679444698 in words is "six hundred seventy-nine million, four hundred forty-four thousand, six hundred ninety-eight".