442373471 has 4 divisors (see below), whose sum is σ = 442661712. Its totient is φ = 442085232.

The previous prime is 442373429. The next prime is 442373479. The reversal of 442373471 is 174373244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442373471 is a prime.

It is a super-3 number, since 3×442373471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442373479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141806 + ... + 144891.

It is an arithmetic number, because the mean of its divisors is an integer number (110665428).

Almost surely, 2^442373471 is an apocalyptic number.

442373471 is a deficient number, since it is larger than the sum of its proper divisors (288241).

442373471 is a wasteful number, since it uses less digits than its factorization.

442373471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288240.

The product of its digits is 56448, while the sum is 35.

The square root of 442373471 is about 21032.6762681310. The cubic root of 442373471 is about 761.9556460889.

The spelling of 442373471 in words is "four hundred forty-two million, three hundred seventy-three thousand, four hundred seventy-one".