441697985 has 16 divisors (see below), whose sum is σ = 550031040. Its totient is φ = 340105920.

The previous prime is 441697979. The next prime is 441697987. The reversal of 441697985 is 589796144.

It is not a de Polignac number, because 441697985 - 2¹⁰ = 441696961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441697987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43394 + ... + 52596.

It is an arithmetic number, because the mean of its divisors is an integer number (34376940).

Almost surely, 2^441697985 is an apocalyptic number.

It is an amenable number.

441697985 is a deficient number, since it is larger than the sum of its proper divisors (108333055).

441697985 is a wasteful number, since it uses less digits than its factorization.

441697985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568.

The product of its digits is 2177280, while the sum is 53.

The square root of 441697985 is about 21016.6121199398. The cubic root of 441697985 is about 761.5676236010.

The spelling of 441697985 in words is "four hundred forty-one million, six hundred ninety-seven thousand, nine hundred eighty-five".