394494933 has 64 divisors (see below), whose sum is σ = 645120000. Its totient is φ = 214079040.

The previous prime is 394494913. The next prime is 394494937. The reversal of 394494933 is 339494493.

It is not a de Polignac number, because 394494933 - 2⁹ = 394494421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394494937) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2647543 + ... + 2647691.

It is an arithmetic number, because the mean of its divisors is an integer number (10080000).

Almost surely, 2^394494933 is an apocalyptic number.

It is an amenable number.

394494933 is a deficient number, since it is larger than the sum of its proper divisors (250625067).

394494933 is a wasteful number, since it uses less digits than its factorization.

394494933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 273 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 48.

The square root of 394494933 is about 19861.8965106558. The cubic root of 394494933 is about 733.4105334475.

The spelling of 394494933 in words is "three hundred ninety-four million, four hundred ninety-four thousand, nine hundred thirty-three".