394838616 has 16 divisors (see below), whose sum is σ = 987096600. Its totient is φ = 131612864.

The previous prime is 394838573. The next prime is 394838623. The reversal of 394838616 is 616838493.

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, 8225781 + ... + 8225828.

Almost surely, 2^394838616 is an apocalyptic number.

It is an amenable number.

394838616 is an abundant number, since it is smaller than the sum of its proper divisors (592257984).

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

394838616 is a wasteful number, since it uses less digits than its factorization.

394838616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16451618 (or 16451614 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 394838616 is about 19870.5464444237. The cubic root of 394838616 is about 733.6234534358.

The spelling of 394838616 in words is "three hundred ninety-four million, eight hundred thirty-eight thousand, six hundred sixteen".