9881235 has 96 divisors (see below), whose sum is σ = 22364160. Its totient is φ = 3919104.

The previous prime is 9881231. The next prime is 9881239. The reversal of 9881235 is 5321889.

9881235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9881235 is a nontrivial binomial coefficient, being equal to C(4446, 2).

It is an interprime number because it is at equal distance from previous prime (9881231) and next prime (9881239).

It is not a de Polignac number, because 9881235 - 2² = 9881231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9881235.

It is not an unprimeable number, because it can be changed into a prime (9881231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77742 + ... + 77868.

It is an arithmetic number, because the mean of its divisors is an integer number (232960).

Almost surely, 2^9881235 is an apocalyptic number.

9881235 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9881235 is the 4445-th triangular number and also the 2223-rd hexagonal number.

9881235 is an abundant number, since it is smaller than the sum of its proper divisors (12482925).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9881235 is a wasteful number, since it uses less digits than its factorization.

9881235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 174 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 9881235 is about 3143.4431758821. The cubic root of 9881235 is about 214.5871652524.

The spelling of 9881235 in words is "nine million, eight hundred eighty-one thousand, two hundred thirty-five".