9681801 has 4 divisors (see below), whose sum is σ = 12909072. Its totient is φ = 6454532.

The previous prime is 9681799. The next prime is 9681803. The reversal of 9681801 is 1081869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (9681799) and next prime (9681803).

It is a cyclic number.

It is not a de Polignac number, because 9681801 - 2¹ = 9681799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9681803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613631 + ... + 1613636.

It is an arithmetic number, because the mean of its divisors is an integer number (3227268).

Almost surely, 2^9681801 is an apocalyptic number.

It is an amenable number.

9681801 is a deficient number, since it is larger than the sum of its proper divisors (3227271).

9681801 is a wasteful number, since it uses less digits than its factorization.

9681801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227270.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 9681801 is about 3111.5592554216. The cubic root of 9681801 is about 213.1336638176.

The spelling of 9681801 in words is "nine million, six hundred eighty-one thousand, eight hundred one".