679456290 has 64 divisors (see below), whose sum is σ = 1678309632. Its totient is φ = 175968000.

The previous prime is 679456243. The next prime is 679456291. The reversal of 679456290 is 92654976.

It is not an unprimeable number, because it can be changed into a prime (679456291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158475 + ... + 162705.

It is an arithmetic number, because the mean of its divisors is an integer number (26223588).

Almost surely, 2^679456290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679456290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839154816).

679456290 is an abundant number, since it is smaller than the sum of its proper divisors (998853342).

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

679456290 is a wasteful number, since it uses less digits than its factorization.

679456290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 679456290 is about 26066.3823727037. The cubic root of 679456290 is about 879.1314993632.

The spelling of 679456290 in words is "six hundred seventy-nine million, four hundred fifty-six thousand, two hundred ninety".