9869841 has 12 divisors (see below), whose sum is σ = 14388660. Its totient is φ = 6518880.

The previous prime is 9869801. The next prime is 9869851. The reversal of 9869841 is 1489689.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 3594816 = 2505^2 + 1896^2 .

It is not a de Polignac number, because 9869841 - 2⁶ = 9869777 is a prime.

It is a super-2 number, since 2×9869841² = 194827522730562, which contains 22 as substring.

9869841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9869801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4050 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1199055).

Almost surely, 2^9869841 is an apocalyptic number.

It is an amenable number.

9869841 is a deficient number, since it is larger than the sum of its proper divisors (4518819).

9869841 is a wasteful number, since it uses less digits than its factorization.

9869841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176 (or 10173 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9869841 is about 3141.6303092503. The cubic root of 9869841 is about 214.5046537533.

The spelling of 9869841 in words is "nine million, eight hundred sixty-nine thousand, eight hundred forty-one".