9901361 has 4 divisors (see below), whose sum is σ = 10483812. Its totient is φ = 9318912.

The previous prime is 9901343. The next prime is 9901379. The reversal of 9901361 is 1631099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1631099 = 17 ⋅95947.

It is an interprime number because it is at equal distance from previous prime (9901343) and next prime (9901379).

It can be written as a sum of positive squares in 2 ways, for example, as 2825761 + 7075600 = 1681^2 + 2660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9901361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9901391) 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 3 ways as a sum of consecutive naturals, for example, 291200 + ... + 291233.

It is an arithmetic number, because the mean of its divisors is an integer number (2620953).

Almost surely, 2^9901361 is an apocalyptic number.

It is an amenable number.

9901361 is a deficient number, since it is larger than the sum of its proper divisors (582451).

9901361 is a wasteful number, since it uses less digits than its factorization.

9901361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582450.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 9901361 is about 3146.6428141751. The cubic root of 9901361 is about 214.7327561106.

The spelling of 9901361 in words is "nine million, nine hundred one thousand, three hundred sixty-one".