939963 has 4 divisors (see below), whose sum is σ = 1253288. Its totient is φ = 626640.

The previous prime is 939931. The next prime is 939971. The reversal of 939963 is 369939.

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

It is not a de Polignac number, because 939963 - 2⁵ = 939931 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939923) 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, 156658 + ... + 156663.

It is an arithmetic number, because the mean of its divisors is an integer number (313322).

2⁹³⁹⁹⁶³ is an apocalyptic number.

939963 is a deficient number, since it is larger than the sum of its proper divisors (313325).

939963 is a wasteful number, since it uses less digits than its factorization.

939963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313324.

The product of its digits is 39366, while the sum is 39.

The square root of 939963 is about 969.5168900024. The cubic root of 939963 is about 97.9573255821.

The spelling of 939963 in words is "nine hundred thirty-nine thousand, nine hundred sixty-three".