442460 has 12 divisors (see below), whose sum is σ = 929208. Its totient is φ = 176976.

The previous prime is 442457. The next prime is 442469. The reversal of 442460 is 64244.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 22123 = 442460 / (4 + 4 + 2 + 4 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11042 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (77434).

2⁴⁴²⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

442460 is an abundant number, since it is smaller than the sum of its proper divisors (486748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442460 is a wasteful number, since it uses less digits than its factorization.

442460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132 (or 22130 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442460 is about 665.1766682619. The cubic root of 442460 is about 76.2005322788.

The spelling of 442460 in words is "four hundred forty-two thousand, four hundred sixty".