442113 has 16 divisors (see below), whose sum is σ = 693120. Its totient is φ = 245376.

The previous prime is 442109. The next prime is 442121. The reversal of 442113 is 311244.

It is not a de Polignac number, because 442113 - 2² = 442109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442092 and 442101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (43320).

2⁴⁴²¹¹³ is an apocalyptic number.

It is an amenable number.

442113 is a deficient number, since it is larger than the sum of its proper divisors (251007).

442113 is a wasteful number, since it uses less digits than its factorization.

442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its digits is 96, while the sum is 15.

The square root of 442113 is about 664.9157841411. The cubic root of 442113 is about 76.1806069372.

Adding to 442113 its reverse (311244), we get a palindrome (753357).

It can be divided in two parts, 442 and 113, that added together give a palindrome (555).

The spelling of 442113 in words is "four hundred forty-two thousand, one hundred thirteen".