394993710284 has 24 divisors (see below), whose sum is σ = 692401128720. Its totient is φ = 197165090304.

The previous prime is 394993710233. The next prime is 394993710341. The reversal of 394993710284 is 482017399493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5952392 + ... + 6018384.

It is an arithmetic number, because the mean of its divisors is an integer number (28850047030).

Almost surely, 2^394993710284 is an apocalyptic number.

It is an amenable number.

394993710284 is a deficient number, since it is larger than the sum of its proper divisors (297407418436).

394993710284 is a wasteful number, since it uses less digits than its factorization.

394993710284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68489 (or 68487 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 394993710284 in words is "three hundred ninety-four billion, nine hundred ninety-three million, seven hundred ten thousand, two hundred eighty-four".