9854813 has 4 divisors (see below), whose sum is σ = 9861180. Its totient is φ = 9848448.

The previous prime is 9854791. The next prime is 9854851. The reversal of 9854813 is 3184589.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3184589 = 179 ⋅17791.

It can be written as a sum of positive squares in 2 ways, for example, as 4481689 + 5373124 = 2117^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 9854813 - 2¹⁸ = 9592669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9854893) 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, 803 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (2465295).

Almost surely, 2^9854813 is an apocalyptic number.

It is an amenable number.

9854813 is a deficient number, since it is larger than the sum of its proper divisors (6367).

9854813 is a wasteful number, since it uses less digits than its factorization.

9854813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its digits is 34560, while the sum is 38.

The square root of 9854813 is about 3139.2376463084. The cubic root of 9854813 is about 214.3957288843.

The spelling of 9854813 in words is "nine million, eight hundred fifty-four thousand, eight hundred thirteen".