442168 has 16 divisors (see below), whose sum is σ = 873000. Its totient is φ = 209376.

The previous prime is 442157. The next prime is 442171. The reversal of 442168 is 861244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303 + ... + 1606.

2⁴⁴²¹⁶⁸ is an apocalyptic number.

It is an amenable number.

442168 is a deficient number, since it is larger than the sum of its proper divisors (430832).

442168 is a wasteful number, since it uses less digits than its factorization.

442168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2930 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 442168 is about 664.9571414761. The cubic root of 442168 is about 76.1837658277.

It can be divided in two parts, 4421 and 68, that added together give a square (4489 = 67²).

The spelling of 442168 in words is "four hundred forty-two thousand, one hundred sixty-eight".