9801885 has 16 divisors (see below), whose sum is σ = 15873984. Its totient is φ = 5164032.

The previous prime is 9801881. The next prime is 9801889. The reversal of 9801885 is 5881089.

It is an interprime number because it is at equal distance from previous prime (9801881) and next prime (9801889).

It is not a de Polignac number, because 9801885 - 2² = 9801881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9801881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (992124).

Almost surely, 2^9801885 is an apocalyptic number.

It is an amenable number.

9801885 is a deficient number, since it is larger than the sum of its proper divisors (6072099).

9801885 is a wasteful number, since it uses less digits than its factorization.

9801885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 9801885 is about 3130.7962246049. The cubic root of 9801885 is about 214.0112158212.

The spelling of 9801885 in words is "nine million, eight hundred one thousand, eight hundred eighty-five".