679854252 has 192 divisors, whose sum is σ = 2060771328. Its totient is φ = 169344000.

The previous prime is 679854223. The next prime is 679854269. The reversal of 679854252 is 252458976.

Its product of digits (1209600) is a multiple of the sum of its prime divisors (378).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2820852 + ... + 2821092.

It is an arithmetic number, because the mean of its divisors is an integer number (10733184).

Almost surely, 2^679854252 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 679854252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030385664).

679854252 is an abundant number, since it is smaller than the sum of its proper divisors (1380917076).

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

679854252 is a wasteful number, since it uses less digits than its factorization.

679854252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 679854252 is about 26074.0148807198. The cubic root of 679854252 is about 879.3031035571.

The spelling of 679854252 in words is "six hundred seventy-nine million, eight hundred fifty-four thousand, two hundred fifty-two".