394564336 has 30 divisors (see below), whose sum is σ = 806833032. Its totient is φ = 186896160.

The previous prime is 394564327. The next prime is 394564349. The reversal of 394564336 is 633465493.

It is a junction number, because it is equal to n+sod(n) for n = 394564292 and 394564301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28380 + ... + 39931.

Almost surely, 2^394564336 is an apocalyptic number.

It is an amenable number.

394564336 is an abundant number, since it is smaller than the sum of its proper divisors (412268696).

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

394564336 is a wasteful number, since it uses less digits than its factorization.

394564336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68357 (or 68332 counting only the distinct ones).

The product of its digits is 699840, while the sum is 43.

The square root of 394564336 is about 19863.6435731212. The cubic root of 394564336 is about 733.4535402580.

The spelling of 394564336 in words is "three hundred ninety-four million, five hundred sixty-four thousand, three hundred thirty-six".