442343471 has 2 divisors, whose sum is σ = 442343472. Its totient is φ = 442343470.

The previous prime is 442343449. The next prime is 442343533. The reversal of 442343471 is 174343244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442343471 - 2²² = 438149167 is a prime.

It is a super-3 number, since 3×442343471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442343401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221171735 + 221171736.

It is an arithmetic number, because the mean of its divisors is an integer number (221171736).

Almost surely, 2^442343471 is an apocalyptic number.

442343471 is a deficient number, since it is larger than the sum of its proper divisors (1).

442343471 is an equidigital number, since it uses as much as digits as its factorization.

442343471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 32.

The square root of 442343471 is about 21031.9630800361. The cubic root of 442343471 is about 761.9384214378.

The spelling of 442343471 in words is "four hundred forty-two million, three hundred forty-three thousand, four hundred seventy-one".