969681 has 8 divisors (see below), whose sum is σ = 1298880. Its totient is φ = 643472.

The previous prime is 969679. The next prime is 969713. The reversal of 969681 is 186969.

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

It is a cyclic number.

It is not a de Polignac number, because 969681 - 2¹ = 969679 is a prime.

It is a super-2 number, since 2×969681² = 1880562483522, which contains 22 as substring.

It is a Curzon 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, 175 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (162360).

2⁹⁶⁹⁶⁸¹ is an apocalyptic number.

It is an amenable number.

969681 is a deficient number, since it is larger than the sum of its proper divisors (329199).

969681 is a wasteful number, since it uses less digits than its factorization.

969681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its digits is 23328, while the sum is 39.

The square root of 969681 is about 984.7238191493. The cubic root of 969681 is about 98.9789772727.

It can be divided in two parts, 96968 and 1, that added together give a palindrome (96969).

The spelling of 969681 in words is "nine hundred sixty-nine thousand, six hundred eighty-one".