394469793 has 12 divisors (see below), whose sum is σ = 571081680. Its totient is φ = 262383576.

The previous prime is 394469759. The next prime is 394469797. The reversal of 394469793 is 397964493.

394469793 is a `hidden beast` number, since 3 + 94 + 469 + 7 + 93 = 666.

It is not a de Polignac number, because 394469793 - 2²² = 390275489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394469797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45483 + ... + 53456.

It is an arithmetic number, because the mean of its divisors is an integer number (47590140).

Almost surely, 2^394469793 is an apocalyptic number.

It is an amenable number.

394469793 is a deficient number, since it is larger than the sum of its proper divisors (176611887).

394469793 is a wasteful number, since it uses less digits than its factorization.

394469793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99388 (or 99385 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 394469793 is about 19861.2636304944. The cubic root of 394469793 is about 733.3949537522.

It can be divided in two parts, 3944 and 69793, that added together give a palindrome (73737).

The spelling of 394469793 in words is "three hundred ninety-four million, four hundred sixty-nine thousand, seven hundred ninety-three".