9812641 has 4 divisors (see below), whose sum is σ = 9844912. Its totient is φ = 9780372.

The previous prime is 9812611. The next prime is 9812711. The reversal of 9812641 is 1462189.

It is a happy number.

9812641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9812641 - 2⁵ = 9812609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9812611) 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, 15675 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (2461228).

Almost surely, 2^9812641 is an apocalyptic number.

It is an amenable number.

9812641 is a deficient number, since it is larger than the sum of its proper divisors (32271).

9812641 is a wasteful number, since it uses less digits than its factorization.

9812641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32270.

The product of its digits is 3456, while the sum is 31.

The square root of 9812641 is about 3132.5135275047. The cubic root of 9812641 is about 214.0894682240.

The spelling of 9812641 in words is "nine million, eight hundred twelve thousand, six hundred forty-one".