442792 has 16 divisors (see below), whose sum is σ = 948960. Its totient is φ = 189744.

The previous prime is 442789. The next prime is 442807. The reversal of 442792 is 297244.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 4⁷ + 4⁹ + 7³ + 2¹⁵ + 9² + 2¹⁷ .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 442792.

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, 3898 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (59310).

2⁴⁴²⁷⁹² is an apocalyptic number.

It is an amenable number.

442792 is an abundant number, since it is smaller than the sum of its proper divisors (506168).

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

442792 is a wasteful number, since it uses less digits than its factorization.

442792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7916 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 442792 is about 665.4261792265. The cubic root of 442792 is about 76.2195865449.

The spelling of 442792 in words is "four hundred forty-two thousand, seven hundred ninety-two".