442652 has 12 divisors (see below), whose sum is σ = 885360. Its totient is φ = 189696.

The previous prime is 442633. The next prime is 442691. The reversal of 442652 is 256244.

Added to its reverse (256244) it gives a square (698896 = 836²).

442652 is an admirable number.

It is a congruent number.

It is an unprimeable number.

442652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (73780).

2⁴⁴²⁶⁵² is an apocalyptic number.

It is an amenable number.

442652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442652 is a wasteful number, since it uses less digits than its factorization.

442652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820 (or 15818 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 442652 is about 665.3209751691. The cubic root of 442652 is about 76.2115527752.

Adding to 442652 its reverse (256244), we get a palindrome (698896).

The spelling of 442652 in words is "four hundred forty-two thousand, six hundred fifty-two".