394657939484 has 12 divisors (see below), whose sum is σ = 690725003808. Its totient is φ = 197307938400.

The previous prime is 394657939477. The next prime is 394657939499. The reversal of 394657939484 is 484939756493.

It is a congruent number.

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, 5215577 + ... + 5290704.

It is an arithmetic number, because the mean of its divisors is an integer number (57560416984).

Almost surely, 2^394657939484 is an apocalyptic number.

It is an amenable number.

394657939484 is a deficient number, since it is larger than the sum of its proper divisors (296067064324).

394657939484 is a wasteful number, since it uses less digits than its factorization.

394657939484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515676 (or 10515674 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 71.

The spelling of 394657939484 in words is "three hundred ninety-four billion, six hundred fifty-seven million, nine hundred thirty-nine thousand, four hundred eighty-four".