671399304 has 32 divisors (see below), whose sum is σ = 1680141120. Its totient is φ = 223580736.

The previous prime is 671399297. The next prime is 671399327. The reversal of 671399304 is 403993176.

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 7 ways as a sum of consecutive naturals, for example, 12354 + ... + 38670.

It is an arithmetic number, because the mean of its divisors is an integer number (52504410).

Almost surely, 2^671399304 is an apocalyptic number.

It is an amenable number.

671399304 is an abundant number, since it is smaller than the sum of its proper divisors (1008741816).

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

671399304 is a wasteful number, since it uses less digits than its factorization.

671399304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389 (or 27385 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 671399304 is about 25911.3740276350. The cubic root of 671399304 is about 875.6427621154.

The spelling of 671399304 in words is "six hundred seventy-one million, three hundred ninety-nine thousand, three hundred four".