442413 has 6 divisors (see below), whose sum is σ = 639054. Its totient is φ = 294936.

The previous prime is 442399. The next prime is 442439. The reversal of 442413 is 314244.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 49284 = 627^2 + 222^2 .

It is not a de Polignac number, because 442413 - 2⁴ = 442397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24570 + ... + 24587.

It is an arithmetic number, because the mean of its divisors is an integer number (106509).

2⁴⁴²⁴¹³ is an apocalyptic number.

It is an amenable number.

442413 is a deficient number, since it is larger than the sum of its proper divisors (196641).

442413 is a wasteful number, since it uses less digits than its factorization.

442413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49163 (or 49160 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 442413 is about 665.1413383635. The cubic root of 442413 is about 76.1978340674.

Adding to 442413 its reverse (314244), we get a palindrome (756657).

It can be divided in two parts, 44241 and 3, that added together give a palindrome (44244).

The spelling of 442413 in words is "four hundred forty-two thousand, four hundred thirteen".