394444271 has 8 divisors (see below), whose sum is σ = 424942224. Its totient is φ = 363968640.

The previous prime is 394444249. The next prime is 394444291. The reversal of 394444271 is 172444493.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394444271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394444201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58160 + ... + 64586.

It is an arithmetic number, because the mean of its divisors is an integer number (53117778).

Almost surely, 2^394444271 is an apocalyptic number.

394444271 is a deficient number, since it is larger than the sum of its proper divisors (30497953).

394444271 is a wasteful number, since it uses less digits than its factorization.

394444271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161.

The product of its digits is 96768, while the sum is 38.

The square root of 394444271 is about 19860.6211131475. The cubic root of 394444271 is about 733.3791366478.

The spelling of 394444271 in words is "three hundred ninety-four million, four hundred forty-four thousand, two hundred seventy-one".