664094308 has 12 divisors (see below), whose sum is σ = 1223331760. Its totient is φ = 314570952.

The previous prime is 664094297. The next prime is 664094339. The reversal of 664094308 is 803490466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4368966 + ... + 4369117.

Almost surely, 2^664094308 is an apocalyptic number.

It is an amenable number.

664094308 is a deficient number, since it is larger than the sum of its proper divisors (559237452).

664094308 is a wasteful number, since it uses less digits than its factorization.

664094308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738106 (or 8738104 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 664094308 is about 25770.0273185730. The cubic root of 664094308 is about 872.4554353639.

The spelling of 664094308 in words is "six hundred sixty-four million, ninety-four thousand, three hundred eight".