442814804 has 12 divisors (see below), whose sum is σ = 801647700. Its totient is φ = 213772608.

The previous prime is 442814803. The next prime is 442814809. The reversal of 442814804 is 408418244.

It can be written as a sum of positive squares in 2 ways, for example, as 172869904 + 269944900 = 13148^2 + 16430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442814803) 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 3 ways as a sum of consecutive naturals, for example, 1908569 + ... + 1908800.

It is an arithmetic number, because the mean of its divisors is an integer number (66803975).

Almost surely, 2^442814804 is an apocalyptic number.

It is an amenable number.

442814804 is a deficient number, since it is larger than the sum of its proper divisors (358832896).

442814804 is a wasteful number, since it uses less digits than its factorization.

442814804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817402 (or 3817400 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 35.

The square root of 442814804 is about 21043.1652562061. The cubic root of 442814804 is about 762.2089497088.

The spelling of 442814804 in words is "four hundred forty-two million, eight hundred fourteen thousand, eight hundred four".