9987235 has 8 divisors (see below), whose sum is σ = 12029616. Its totient is φ = 7959840.

The previous prime is 9987209. The next prime is 9987247. The reversal of 9987235 is 5327899.

It is a happy number.

9987235 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9987235 - 2¹¹ = 9985187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9987191 and 9987200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (1503702).

Almost surely, 2^9987235 is an apocalyptic number.

9987235 is a deficient number, since it is larger than the sum of its proper divisors (2042381).

9987235 is a wasteful number, since it uses less digits than its factorization.

9987235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493.

The product of its digits is 136080, while the sum is 43.

The square root of 9987235 is about 3160.2586919428. The cubic root of 9987235 is about 215.3517587733.

The spelling of 9987235 in words is "nine million, nine hundred eighty-seven thousand, two hundred thirty-five".