394920422 has 8 divisors (see below), whose sum is σ = 637948416. Its totient is φ = 182270952.

The previous prime is 394920401. The next prime is 394920433. The reversal of 394920422 is 224029493.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7594598 + ... + 7594649.

It is an arithmetic number, because the mean of its divisors is an integer number (79743552).

Almost surely, 2^394920422 is an apocalyptic number.

394920422 is a deficient number, since it is larger than the sum of its proper divisors (243027994).

394920422 is a wasteful number, since it uses less digits than its factorization.

394920422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189262.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 394920422 is about 19872.6048116496. The cubic root of 394920422 is about 733.6741160386.

The spelling of 394920422 in words is "three hundred ninety-four million, nine hundred twenty thousand, four hundred twenty-two".