9439965 has 48 divisors (see below), whose sum is σ = 17312256. Its totient is φ = 4752000.

The previous prime is 9439961. The next prime is 9439973. The reversal of 9439965 is 5699349.

It is a happy number.

It is not a de Polignac number, because 9439965 - 2² = 9439961 is a prime.

It is a super-2 number, since 2×9439965² = 178225878402450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9439965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93415 + ... + 93515.

It is an arithmetic number, because the mean of its divisors is an integer number (360672).

Almost surely, 2^9439965 is an apocalyptic number.

It is an amenable number.

9439965 is a deficient number, since it is larger than the sum of its proper divisors (7872291).

9439965 is a wasteful number, since it uses less digits than its factorization.

9439965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 207 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 9439965 is about 3072.4526033773. The cubic root of 9439965 is about 211.3440998561.

It can be divided in two parts, 9439 and 965, that added together give a square (10404 = 102²).

The spelling of 9439965 in words is "nine million, four hundred thirty-nine thousand, nine hundred sixty-five".