679964416 has 72 divisors (see below), whose sum is σ = 1431650304. Its totient is φ = 321838080.

The previous prime is 679964407. The next prime is 679964431. The reversal of 679964416 is 614469976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372081 + ... + 373903.

It is an arithmetic number, because the mean of its divisors is an integer number (19884032).

Almost surely, 2^679964416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679964416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715825152).

679964416 is an abundant number, since it is smaller than the sum of its proper divisors (751685888).

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

679964416 is a wasteful number, since it uses less digits than its factorization.

679964416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1903 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 679964416 is about 26076.1273198303. The cubic root of 679964416 is about 879.3505952634.

The spelling of 679964416 in words is "six hundred seventy-nine million, nine hundred sixty-four thousand, four hundred sixteen".