963728681 has 8 divisors (see below), whose sum is σ = 1006133184. Its totient is φ = 921366160.

The previous prime is 963728629. The next prime is 963728719. The reversal of 963728681 is 186827369.

963728681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 963728681 - 2²⁶ = 896619817 is a prime.

It is a super-2 number, since 2×963728681² = 1857545941163999522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963728981) 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, 42086 + ... + 60816.

It is an arithmetic number, because the mean of its divisors is an integer number (125766648).

Almost surely, 2^963728681 is an apocalyptic number.

It is an amenable number.

963728681 is a deficient number, since it is larger than the sum of its proper divisors (42404503).

963728681 is a wasteful number, since it uses less digits than its factorization.

963728681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991.

The product of its digits is 870912, while the sum is 50.

The square root of 963728681 is about 31043.9797867477. The cubic root of 963728681 is about 987.7603628164.

The spelling of 963728681 in words is "nine hundred sixty-three million, seven hundred twenty-eight thousand, six hundred eighty-one".