442602 has 24 divisors (see below), whose sum is σ = 975936. Its totient is φ = 144936.

The previous prime is 442601. The next prime is 442609. The reversal of 442602 is 206244.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 1023 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (40664).

2⁴⁴²⁶⁰² is an apocalyptic number.

442602 is an abundant number, since it is smaller than the sum of its proper divisors (533334).

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

442602 is a wasteful number, since it uses less digits than its factorization.

442602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 442602 is about 665.2833982597. The cubic root of 442602 is about 76.2086831612.

Adding to 442602 its reverse (206244), we get a palindrome (648846).

The spelling of 442602 in words is "four hundred forty-two thousand, six hundred two".