969644 has 24 divisors (see below), whose sum is σ = 1893360. Its totient is φ = 431424.

The previous prime is 969641. The next prime is 969667. The reversal of 969644 is 446969.

It is a junction number, because it is equal to n+sod(n) for n = 969598 and 969607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (78890).

2⁹⁶⁹⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

969644 is a deficient number, since it is larger than the sum of its proper divisors (923716).

969644 is a wasteful number, since it uses less digits than its factorization.

969644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 969644 is about 984.7050319766. The cubic root of 969644 is about 98.9777183471.

It can be divided in two parts, 9696 and 44, that multiplied together give a palindrome (426624).

The spelling of 969644 in words is "nine hundred sixty-nine thousand, six hundred forty-four".