394567442 has 8 divisors (see below), whose sum is σ = 610943232. Its totient is φ = 190919700.

The previous prime is 394567429. The next prime is 394567469. The reversal of 394567442 is 244765493.

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

It is a junction number, because it is equal to n+sod(n) for n = 394567393 and 394567402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3181934 + ... + 3182057.

It is an arithmetic number, because the mean of its divisors is an integer number (76367904).

Almost surely, 2^394567442 is an apocalyptic number.

394567442 is a deficient number, since it is larger than the sum of its proper divisors (216375790).

394567442 is a wasteful number, since it uses less digits than its factorization.

394567442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364024.

The product of its digits is 725760, while the sum is 44.

The square root of 394567442 is about 19863.7217560053. The cubic root of 394567442 is about 733.4554648286.

The spelling of 394567442 in words is "three hundred ninety-four million, five hundred sixty-seven thousand, four hundred forty-two".