9866113 has 4 divisors (see below), whose sum is σ = 9903060. Its totient is φ = 9829168.

The previous prime is 9866107. The next prime is 9866147. The reversal of 9866113 is 3116689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5489649 + 4376464 = 2343^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 9866113 - 2⁹ = 9865601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9866413) 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, 18070 + ... + 18607.

It is an arithmetic number, because the mean of its divisors is an integer number (2475765).

Almost surely, 2^9866113 is an apocalyptic number.

It is an amenable number.

9866113 is a deficient number, since it is larger than the sum of its proper divisors (36947).

9866113 is a wasteful number, since it uses less digits than its factorization.

9866113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36946.

The product of its digits is 7776, while the sum is 34.

The square root of 9866113 is about 3141.0369306966. The cubic root of 9866113 is about 214.4776430496.

The spelling of 9866113 in words is "nine million, eight hundred sixty-six thousand, one hundred thirteen".