442370 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 171120.

The previous prime is 442367. The next prime is 442397. The reversal of 442370 is 73244.

442370 = 383² + 384² + 385².

It is a happy number.

It is a d-powerful number, because it can be written as 4⁵ + 4⁹ + 3¹¹ + 2¹¹ + 7 + 0 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442370.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2⁴⁴²³⁷⁰ is an apocalyptic number.

442370 is a deficient number, since it is larger than the sum of its proper divisors (380158).

442370 is a wasteful number, since it uses less digits than its factorization.

442370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 442370 is about 665.1090136211. The cubic root of 442370 is about 76.1953653237.

The spelling of 442370 in words is "four hundred forty-two thousand, three hundred seventy", and thus it is an iban number.