679799946 has 16 divisors (see below), whose sum is σ = 1553828544. Its totient is φ = 194228544.

The previous prime is 679799941. The next prime is 679799951. The reversal of 679799946 is 649997976.

It is an interprime number because it is at equal distance from previous prime (679799941) and next prime (679799951).

It is not an unprimeable number, because it can be changed into a prime (679799941) 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, 8092815 + ... + 8092898.

It is an arithmetic number, because the mean of its divisors is an integer number (97114284).

Almost surely, 2^679799946 is an apocalyptic number.

679799946 is an abundant number, since it is smaller than the sum of its proper divisors (874028598).

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

679799946 is a wasteful number, since it uses less digits than its factorization.

679799946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16185725.

The product of its digits is 46294416, while the sum is 66.

The square root of 679799946 is about 26072.9734782974. The cubic root of 679799946 is about 879.2796903497.

The spelling of 679799946 in words is "six hundred seventy-nine million, seven hundred ninety-nine thousand, nine hundred forty-six".