442495 has 4 divisors (see below), whose sum is σ = 531000. Its totient is φ = 353992.

The previous prime is 442489. The next prime is 442499. The reversal of 442495 is 594244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442495 - 2³ = 442487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44245 + ... + 44254.

It is an arithmetic number, because the mean of its divisors is an integer number (132750).

2⁴⁴²⁴⁹⁵ is an apocalyptic number.

442495 is a deficient number, since it is larger than the sum of its proper divisors (88505).

442495 is an equidigital number, since it uses as much as digits as its factorization.

442495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88504.

The product of its digits is 5760, while the sum is 28.

The square root of 442495 is about 665.2029765417. The cubic root of 442495 is about 76.2025414611.

The spelling of 442495 in words is "four hundred forty-two thousand, four hundred ninety-five".