394564984946 has 32 divisors (see below), whose sum is σ = 650609668800. Its totient is φ = 177971777280.

The previous prime is 394564984867. The next prime is 394564984987. The reversal of 394564984946 is 649489465493.

It is a self number, because there is not a number n which added to its sum of digits gives 394564984946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6553910 + ... + 6613838.

It is an arithmetic number, because the mean of its divisors is an integer number (20331552150).

Almost surely, 2^394564984946 is an apocalyptic number.

394564984946 is a deficient number, since it is larger than the sum of its proper divisors (256044683854).

394564984946 is a wasteful number, since it uses less digits than its factorization.

394564984946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62234.

The product of its digits is 806215680, while the sum is 71.

The spelling of 394564984946 in words is "three hundred ninety-four billion, five hundred sixty-four million, nine hundred eighty-four thousand, nine hundred forty-six".