969728 has 22 divisors (see below), whose sum is σ = 1940556. Its totient is φ = 484352.

The previous prime is 969721. The next prime is 969743. The reversal of 969728 is 827969.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 969728.

It is not an unprimeable number, because it can be changed into a prime (969721) by changing a digit.

969728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551 + ... + 1497.

2⁹⁶⁹⁷²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 969728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970278).

969728 is an abundant number, since it is smaller than the sum of its proper divisors (970828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

969728 is an equidigital number, since it uses as much as digits as its factorization.

969728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 949 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 969728 is about 984.7476834195. The cubic root of 969728 is about 98.9805764023.

The spelling of 969728 in words is "nine hundred sixty-nine thousand, seven hundred twenty-eight".