394574973 has 8 divisors (see below), whose sum is σ = 566569248. Its totient is φ = 242815344.

The previous prime is 394574963. The next prime is 394574989. The reversal of 394574973 is 379475493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 394574973 - 2⁵ = 394574941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394574953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058615 + ... + 5058692.

It is an arithmetic number, because the mean of its divisors is an integer number (70821156).

Almost surely, 2^394574973 is an apocalyptic number.

It is an amenable number.

394574973 is a deficient number, since it is larger than the sum of its proper divisors (171994275).

394574973 is a wasteful number, since it uses less digits than its factorization.

394574973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117323.

The product of its digits is 2857680, while the sum is 51.

The square root of 394574973 is about 19863.9113217916. The cubic root of 394574973 is about 733.4601312197.

The spelling of 394574973 in words is "three hundred ninety-four million, five hundred seventy-four thousand, nine hundred seventy-three".