671584982 has 16 divisors (see below), whose sum is σ = 1061606400. Its totient is φ = 317756520.

The previous prime is 671584967. The next prime is 671584999. The reversal of 671584982 is 289485176.

It is a self number, because there is not a number n which added to its sum of digits gives 671584982.

It is a congruent number.

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, 25307 + ... + 44537.

It is an arithmetic number, because the mean of its divisors is an integer number (66350400).

Almost surely, 2^671584982 is an apocalyptic number.

671584982 is a deficient number, since it is larger than the sum of its proper divisors (390021418).

671584982 is a wasteful number, since it uses less digits than its factorization.

671584982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171.

The product of its digits is 967680, while the sum is 50.

The square root of 671584982 is about 25914.9567238689. The cubic root of 671584982 is about 875.7234754405.

The spelling of 671584982 in words is "six hundred seventy-one million, five hundred eighty-four thousand, nine hundred eighty-two".