646984314 has 32 divisors (see below), whose sum is σ = 1513416000. Its totient is φ = 204310512.

The previous prime is 646984309. The next prime is 646984337. The reversal of 646984314 is 413489646.

It is a self number, because there is not a number n which added to its sum of digits gives 646984314.

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 15 ways as a sum of consecutive naturals, for example, 314269 + ... + 316320.

It is an arithmetic number, because the mean of its divisors is an integer number (47294250).

Almost surely, 2^646984314 is an apocalyptic number.

646984314 is an abundant number, since it is smaller than the sum of its proper divisors (866431686).

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

646984314 is a wasteful number, since it uses less digits than its factorization.

646984314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630619 (or 630613 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 646984314 is about 25435.8863419382. The cubic root of 646984314 is about 864.8973845550.

The spelling of 646984314 in words is "six hundred forty-six million, nine hundred eighty-four thousand, three hundred fourteen".