939563 has 4 divisors (see below), whose sum is σ = 945168. Its totient is φ = 933960.

The previous prime is 939551. The next prime is 939581. The reversal of 939563 is 365939.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 939563 - 2¹⁴ = 923179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (932563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (236292).

2⁹³⁹⁵⁶³ is an apocalyptic number.

939563 is a deficient number, since it is larger than the sum of its proper divisors (5605).

939563 is a wasteful number, since it uses less digits than its factorization.

939563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its digits is 21870, while the sum is 35.

The square root of 939563 is about 969.3105797421. The cubic root of 939563 is about 97.9434284076.

The spelling of 939563 in words is "nine hundred thirty-nine thousand, five hundred sixty-three".