442547 has 8 divisors (see below), whose sum is σ = 509952. Its totient is φ = 376200.

The previous prime is 442537. The next prime is 442571. The reversal of 442547 is 745244.

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 442547 - 2⁴ = 442531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (63744).

2⁴⁴²⁵⁴⁷ is an apocalyptic number.

442547 is a deficient number, since it is larger than the sum of its proper divisors (67405).

442547 is a wasteful number, since it uses less digits than its factorization.

442547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its digits is 4480, while the sum is 26.

The square root of 442547 is about 665.2420612078. The cubic root of 442547 is about 76.2055263362.

It can be divided in two parts, 442 and 547, that added together give a palindrome (989).

The spelling of 442547 in words is "four hundred forty-two thousand, five hundred forty-seven".