9844661 has 2 divisors, whose sum is σ = 9844662. Its totient is φ = 9844660.

The previous prime is 9844657. The next prime is 9844663. The reversal of 9844661 is 1664489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 2656900 = 2681^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 9844661 - 2² = 9844657 is a prime.

It is a super-3 number, since 3×9844661³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 9844663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9844663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922330 + 4922331.

It is an arithmetic number, because the mean of its divisors is an integer number (4922331).

Almost surely, 2^9844661 is an apocalyptic number.

It is an amenable number.

9844661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9844661 is an equidigital number, since it uses as much as digits as its factorization.

9844661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 9844661 is about 3137.6202765791. The cubic root of 9844661 is about 214.3220832027.

The spelling of 9844661 in words is "nine million, eight hundred forty-four thousand, six hundred sixty-one".