394336368 has 60 divisors (see below), whose sum is σ = 1139206848. Its totient is φ = 127203840.

The previous prime is 394336367. The next prime is 394336379. The reversal of 394336368 is 863633493.

394336368 is a `hidden beast` number, since 3 + 9 + 4 + 3 + 3 + 636 + 8 = 666.

It is a super-2 number, since 2×394336368² = 311002342254862848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394336361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39705 + ... + 48632.

Almost surely, 2^394336368 is an apocalyptic number.

It is an amenable number.

394336368 is an abundant number, since it is smaller than the sum of its proper divisors (744870480).

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

394336368 is a wasteful number, since it uses less digits than its factorization.

394336368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88382 (or 88373 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 394336368 is about 19857.9044211619. The cubic root of 394336368 is about 733.3122568782.

The spelling of 394336368 in words is "three hundred ninety-four million, three hundred thirty-six thousand, three hundred sixty-eight".