9881901 has 12 divisors (see below), whose sum is σ = 14734720. Its totient is φ = 6375240.

The previous prime is 9881899. The next prime is 9881909. The reversal of 9881901 is 1091889.

9881901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9881901 - 2¹ = 9881899 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17431 + ... + 17988.

Almost surely, 2^9881901 is an apocalyptic number.

It is an amenable number.

9881901 is a deficient number, since it is larger than the sum of its proper divisors (4852819).

9881901 is a wasteful number, since it uses less digits than its factorization.

9881901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35456 (or 35453 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 9881901 is about 3143.5491088895. The cubic root of 9881901 is about 214.5919862369.

The spelling of 9881901 in words is "nine million, eight hundred eighty-one thousand, nine hundred one".