442694271 has 8 divisors (see below), whose sum is σ = 615922560. Its totient is φ = 282297752.

The previous prime is 442694267. The next prime is 442694293. The reversal of 442694271 is 172496244.

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

It is a cyclic number.

It is not a de Polignac number, because 442694271 - 2² = 442694267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442694071) 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, 3207861 + ... + 3207998.

It is an arithmetic number, because the mean of its divisors is an integer number (76990320).

Almost surely, 2^442694271 is an apocalyptic number.

442694271 is a deficient number, since it is larger than the sum of its proper divisors (173228289).

442694271 is a wasteful number, since it uses less digits than its factorization.

442694271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415885.

The product of its digits is 96768, while the sum is 39.

The square root of 442694271 is about 21040.3011147654. The cubic root of 442694271 is about 762.1397863569.

The spelling of 442694271 in words is "four hundred forty-two million, six hundred ninety-four thousand, two hundred seventy-one".