442659 has 16 divisors (see below), whose sum is σ = 684288. Its totient is φ = 249312.

The previous prime is 442633. The next prime is 442691. The reversal of 442659 is 956244.

It is not a de Polignac number, because 442659 - 2⁷ = 442531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2⁴⁴²⁶⁵⁹ is an apocalyptic number.

442659 is a deficient number, since it is larger than the sum of its proper divisors (241629).

442659 is a wasteful number, since it uses less digits than its factorization.

442659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 8640, while the sum is 30.

The square root of 442659 is about 665.3262357671. The cubic root of 442659 is about 76.2119545039.

The spelling of 442659 in words is "four hundred forty-two thousand, six hundred fifty-nine".