442608 has 20 divisors (see below), whose sum is σ = 1143528. Its totient is φ = 147520.

The previous prime is 442601. The next prime is 442609. The reversal of 442608 is 806244.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442601) 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, 4563 + ... + 4658.

2⁴⁴²⁶⁰⁸ is an apocalyptic number.

442608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

442608 is an abundant number, since it is smaller than the sum of its proper divisors (700920).

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

442608 is a wasteful number, since it uses less digits than its factorization.

442608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 442608 is about 665.2879076009. The cubic root of 442608 is about 76.2090275263.

The spelling of 442608 in words is "four hundred forty-two thousand, six hundred eight".