679489824 has 96 divisors (see below), whose sum is σ = 1935178560. Its totient is φ = 207516672.

The previous prime is 679489729. The next prime is 679489831. The reversal of 679489824 is 428984976.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171514 + ... + 175430.

It is an arithmetic number, because the mean of its divisors is an integer number (20158110).

Almost surely, 2^679489824 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 679489824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967589280).

679489824 is an abundant number, since it is smaller than the sum of its proper divisors (1255688736).

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

679489824 is a wasteful number, since it uses less digits than its factorization.

679489824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4074 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 679489824 is about 26067.0256070768. The cubic root of 679489824 is about 879.1459620599.

The spelling of 679489824 in words is "six hundred seventy-nine million, four hundred eighty-nine thousand, eight hundred twenty-four".