9956841 has 4 divisors (see below), whose sum is σ = 13275792. Its totient is φ = 6637892.

The previous prime is 9956819. The next prime is 9956867. The reversal of 9956841 is 1486599.

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 a cyclic number.

It is not a de Polignac number, because 9956841 - 2¹⁸ = 9694697 is a prime.

9956841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9956793 and 9956802.

It is not an unprimeable number, because it can be changed into a prime (9956801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659471 + ... + 1659476.

It is an arithmetic number, because the mean of its divisors is an integer number (3318948).

Almost surely, 2^9956841 is an apocalyptic number.

It is an amenable number.

9956841 is a deficient number, since it is larger than the sum of its proper divisors (3318951).

9956841 is a wasteful number, since it uses less digits than its factorization.

9956841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318950.

The product of its digits is 77760, while the sum is 42.

The square root of 9956841 is about 3155.4462441943. The cubic root of 9956841 is about 215.1330778790.

The spelling of 9956841 in words is "nine million, nine hundred fifty-six thousand, eight hundred forty-one".