442367985 has 32 divisors (see below), whose sum is σ = 740966400. Its totient is φ = 225086400.

The previous prime is 442367963. The next prime is 442367987. The reversal of 442367985 is 589763244.

It is not a de Polignac number, because 442367985 - 2⁵ = 442367953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442367987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26316 + ... + 39714.

It is an arithmetic number, because the mean of its divisors is an integer number (23155200).

Almost surely, 2^442367985 is an apocalyptic number.

It is an amenable number.

442367985 is a deficient number, since it is larger than the sum of its proper divisors (298598415).

442367985 is a wasteful number, since it uses less digits than its factorization.

442367985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13509.

The product of its digits is 1451520, while the sum is 48.

The square root of 442367985 is about 21032.5458516082. The cubic root of 442367985 is about 761.9524963325.

The spelling of 442367985 in words is "four hundred forty-two million, three hundred sixty-seven thousand, nine hundred eighty-five".