965645 has 8 divisors (see below), whose sum is σ = 1167360. Its totient is φ = 766800.

The previous prime is 965639. The next prime is 965647. The reversal of 965645 is 546569.

It is a happy number.

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

It is not a de Polignac number, because 965645 - 2¹² = 961549 is a prime.

It is a super-3 number, since 3×965645³ = 2701305750107133375, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965647) 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 7 ways as a sum of consecutive naturals, for example, 116 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (145920).

2⁹⁶⁵⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

965645 is a deficient number, since it is larger than the sum of its proper divisors (201715).

965645 is a wasteful number, since it uses less digits than its factorization.

965645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its digits is 32400, while the sum is 35.

The square root of 965645 is about 982.6723767360. The cubic root of 965645 is about 98.8414630888.

It can be divided in two parts, 96564 and 5, that added together give a palindrome (96569).

The spelling of 965645 in words is "nine hundred sixty-five thousand, six hundred forty-five".