442530886 has 16 divisors (see below), whose sum is σ = 763013664. Its totient is φ = 188558784.

The previous prime is 442530871. The next prime is 442530889. The reversal of 442530886 is 688035244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442530889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88935 + ... + 93778.

It is an arithmetic number, because the mean of its divisors is an integer number (47688354).

Almost surely, 2^442530886 is an apocalyptic number.

442530886 is a deficient number, since it is larger than the sum of its proper divisors (320482778).

442530886 is a wasteful number, since it uses less digits than its factorization.

442530886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182895.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 442530886 is about 21036.4180886386. The cubic root of 442530886 is about 762.0460139430.

The spelling of 442530886 in words is "four hundred forty-two million, five hundred thirty thousand, eight hundred eighty-six".