9816401 has 8 divisors (see below), whose sum is σ = 11242560. Its totient is φ = 8396208.

The previous prime is 9816397. The next prime is 9816403. The reversal of 9816401 is 1046189.

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 9816401 - 2² = 9816397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9816403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (1405320).

Almost surely, 2^9816401 is an apocalyptic number.

It is an amenable number.

9816401 is a deficient number, since it is larger than the sum of its proper divisors (1426159).

9816401 is a wasteful number, since it uses less digits than its factorization.

9816401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 9816401 is about 3133.1136270490. The cubic root of 9816401 is about 214.1168096096.

The spelling of 9816401 in words is "nine million, eight hundred sixteen thousand, four hundred one".