679639932 has 36 divisors (see below), whose sum is σ = 1720358640. Its totient is φ = 226232832.

The previous prime is 679639931. The next prime is 679639963. The reversal of 679639932 is 239936976.

It is a happy number.

679639932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679639931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14044 + ... + 39452.

It is an arithmetic number, because the mean of its divisors is an integer number (47787740).

Almost surely, 2^679639932 is an apocalyptic number.

It is an amenable number.

679639932 is an abundant number, since it is smaller than the sum of its proper divisors (1040718708).

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

679639932 is a wasteful number, since it uses less digits than its factorization.

679639932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26162 (or 26157 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The square root of 679639932 is about 26069.9047178926. The cubic root of 679639932 is about 879.2106954922.

The spelling of 679639932 in words is "six hundred seventy-nine million, six hundred thirty-nine thousand, nine hundred thirty-two".