442786085 has 16 divisors (see below), whose sum is σ = 613514496. Its totient is φ = 300492288.

The previous prime is 442786039. The next prime is 442786109. The reversal of 442786085 is 580687244.

It is a cyclic number.

It is not a de Polignac number, because 442786085 - 2⁶ = 442786021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61817 + ... + 68606.

It is an arithmetic number, because the mean of its divisors is an integer number (38344656).

Almost surely, 2^442786085 is an apocalyptic number.

It is an amenable number.

442786085 is a deficient number, since it is larger than the sum of its proper divisors (170728411).

442786085 is a wasteful number, since it uses less digits than its factorization.

442786085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130532.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 442786085 is about 21042.4828620579. The cubic root of 442786085 is about 762.1924715243.

The spelling of 442786085 in words is "four hundred forty-two million, seven hundred eighty-six thousand, eighty-five".