442459 has 6 divisors (see below), whose sum is σ = 470324. Its totient is φ = 416160.

The previous prime is 442457. The next prime is 442469. The reversal of 442459 is 954244.

It is not a de Polignac number, because 442459 - 2¹ = 442457 is a prime.

It is a Duffinian number.

442459 is a modest number, since divided by 459 gives 442 as remainder.

It is not an unprimeable number, because it can be changed into a prime (442457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477 + ... + 1054.

2⁴⁴²⁴⁵⁹ is an apocalyptic number.

442459 is a deficient number, since it is larger than the sum of its proper divisors (27865).

442459 is a wasteful number, since it uses less digits than its factorization.

442459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1548 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 442459 is about 665.1759165815. The cubic root of 442459 is about 76.2004748721.

The spelling of 442459 in words is "four hundred forty-two thousand, four hundred fifty-nine".