679909146 has 16 divisors (see below), whose sum is σ = 1554078144. Its totient is φ = 194259744.

The previous prime is 679909127. The next prime is 679909183. The reversal of 679909146 is 641909976.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8094115 + ... + 8094198.

It is an arithmetic number, because the mean of its divisors is an integer number (97129884).

Almost surely, 2^679909146 is an apocalyptic number.

679909146 is an abundant number, since it is smaller than the sum of its proper divisors (874168998).

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

679909146 is a wasteful number, since it uses less digits than its factorization.

679909146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16188325.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 679909146 is about 26075.0675166911. The cubic root of 679909146 is about 879.3267690047.

The spelling of 679909146 in words is "six hundred seventy-nine million, nine hundred nine thousand, one hundred forty-six".