442036 has 12 divisors (see below), whose sum is σ = 884128. Its totient is φ = 189432.

The previous prime is 442033. The next prime is 442061. The reversal of 442036 is 630244.

442036 is an admirable number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442031) 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, 7866 + ... + 7921.

2⁴⁴²⁰³⁶ is an apocalyptic number.

It is an amenable number.

442036 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.

442036 is a wasteful number, since it uses less digits than its factorization.

442036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798 (or 15796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 442036 is about 664.8578795502. The cubic root of 442036 is about 76.1761840503.

It can be divided in two parts, 44 and 2036, that added together give a triangular number (2080 = T₆₄).

The spelling of 442036 in words is "four hundred forty-two thousand, thirty-six".