9885641 has 4 divisors (see below), whose sum is σ = 9896832. Its totient is φ = 9874452.

The previous prime is 9885637. The next prime is 9885647. The reversal of 9885641 is 1465889.

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 9885641 - 2² = 9885637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9885647) 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, 4145 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (2474208).

Almost surely, 2^9885641 is an apocalyptic number.

It is an amenable number.

9885641 is a deficient number, since it is larger than the sum of its proper divisors (11191).

9885641 is a wasteful number, since it uses less digits than its factorization.

9885641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190.

The product of its digits is 69120, while the sum is 41.

The square root of 9885641 is about 3144.1439216423. The cubic root of 9885641 is about 214.6190550097.

The spelling of 9885641 in words is "nine million, eight hundred eighty-five thousand, six hundred forty-one".