394366446 has 12 divisors (see below), whose sum is σ = 854460672. Its totient is φ = 131455476.

The previous prime is 394366433. The next prime is 394366471. The reversal of 394366446 is 644663493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10954606 + ... + 10954641.

It is an arithmetic number, because the mean of its divisors is an integer number (71205056).

Almost surely, 2^394366446 is an apocalyptic number.

394366446 is an abundant number, since it is smaller than the sum of its proper divisors (460094226).

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

394366446 is a wasteful number, since it uses less digits than its factorization.

394366446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21909255 (or 21909252 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The square root of 394366446 is about 19858.6617373880. The cubic root of 394366446 is about 733.3309008643.

The spelling of 394366446 in words is "three hundred ninety-four million, three hundred sixty-six thousand, four hundred forty-six".