963985 has 16 divisors (see below), whose sum is σ = 1337472. Its totient is φ = 659200.

The previous prime is 963979. The next prime is 964009. The reversal of 963985 is 589369.

It is not a de Polignac number, because 963985 - 2¹¹ = 961937 is a prime.

It is a Duffinian number.

963985 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (83592).

2⁹⁶³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

963985 is a deficient number, since it is larger than the sum of its proper divisors (373487).

963985 is a wasteful number, since it uses less digits than its factorization.

963985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its digits is 58320, while the sum is 40.

The square root of 963985 is about 981.8273779031. The cubic root of 963985 is about 98.7847925257.

The spelling of 963985 in words is "nine hundred sixty-three thousand, nine hundred eighty-five".