939965 has 8 divisors (see below), whose sum is σ = 1214808. Its totient is φ = 694080.

The previous prime is 939931. The next prime is 939971. The reversal of 939965 is 569939.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22201 + 917764 = 149^2 + 958^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 939965 - 2⁶ = 939901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7166 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (151851).

2⁹³⁹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

939965 is a deficient number, since it is larger than the sum of its proper divisors (274843).

939965 is a wasteful number, since it uses less digits than its factorization.

939965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14479.

The product of its digits is 65610, while the sum is 41.

The square root of 939965 is about 969.5179214434. The cubic root of 939965 is about 97.9573950581.

The spelling of 939965 in words is "nine hundred thirty-nine thousand, nine hundred sixty-five".