679304448 has 144 divisors (see below), whose sum is σ = 2096653440. Its totient is φ = 216539136.

The previous prime is 679304447. The next prime is 679304477. The reversal of 679304448 is 844403976.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×679304448² = 922909066145169408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679304447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156840 + ... + 161112.

Almost surely, 2^679304448 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 679304448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048326720).

679304448 is an abundant number, since it is smaller than the sum of its proper divisors (1417348992).

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

679304448 is a wasteful number, since it uses less digits than its factorization.

679304448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4301 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 679304448 is about 26063.4696078630. The cubic root of 679304448 is about 879.0660062956.

The spelling of 679304448 in words is "six hundred seventy-nine million, three hundred four thousand, four hundred forty-eight".