442516 has 6 divisors (see below), whose sum is σ = 774410. Its totient is φ = 221256.

The previous prime is 442501. The next prime is 442517. The reversal of 442516 is 615244.

It can be written as a sum of positive squares in only one way, i.e., 298116 + 144400 = 546^2 + 380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55311 + ... + 55318.

2⁴⁴²⁵¹⁶ is an apocalyptic number.

It is an amenable number.

442516 is a deficient number, since it is larger than the sum of its proper divisors (331894).

442516 is a wasteful number, since it uses less digits than its factorization.

442516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110633 (or 110631 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 442516 is about 665.2187610102. The cubic root of 442516 is about 76.2037469195.

The spelling of 442516 in words is "four hundred forty-two thousand, five hundred sixteen".