985633 has 4 divisors (see below), whose sum is σ = 1075248. Its totient is φ = 896020.

The previous prime is 985631. The next prime is 985639. The reversal of 985633 is 336589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 985633 - 2¹ = 985631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44791 + ... + 44812.

It is an arithmetic number, because the mean of its divisors is an integer number (268812).

2⁹⁸⁵⁶³³ is an apocalyptic number.

It is an amenable number.

985633 is a deficient number, since it is larger than the sum of its proper divisors (89615).

985633 is a wasteful number, since it uses less digits than its factorization.

985633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89614.

The product of its digits is 19440, while the sum is 34.

The square root of 985633 is about 992.7905116388. The cubic root of 985633 is about 99.5187880651.

It can be divided in two parts, 9856 and 33, that added together give a palindrome (9889).

The spelling of 985633 in words is "nine hundred eighty-five thousand, six hundred thirty-three".