394574226 has 8 divisors (see below), whose sum is σ = 789148464. Its totient is φ = 131524740.

The previous prime is 394574221. The next prime is 394574239. The reversal of 394574226 is 622475493.

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

394574226 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (394574221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32881180 + ... + 32881191.

It is an arithmetic number, because the mean of its divisors is an integer number (98643558).

Almost surely, 2^394574226 is an apocalyptic number.

394574226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

394574226 is a wasteful number, since it uses less digits than its factorization.

394574226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65762376.

The product of its digits is 362880, while the sum is 42.

The square root of 394574226 is about 19863.8925188393. The cubic root of 394574226 is about 733.4596683629.

The spelling of 394574226 in words is "three hundred ninety-four million, five hundred seventy-four thousand, two hundred twenty-six".