9870089 has 4 divisors (see below), whose sum is σ = 9900240. Its totient is φ = 9839940.

The previous prime is 9870071. The next prime is 9870143. The reversal of 9870089 is 9800789.

9870089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9870089 - 2¹² = 9865993 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9870389) 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 3 ways as a sum of consecutive naturals, for example, 14579 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (2475060).

Almost surely, 2^9870089 is an apocalyptic number.

It is an amenable number.

9870089 is a deficient number, since it is larger than the sum of its proper divisors (30151).

9870089 is a wasteful number, since it uses less digits than its factorization.

9870089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30150.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9870089 is about 3141.6697789551. The cubic root of 9870089 is about 214.5064503614.

It can be divided in two parts, 98700 and 89, that added together give a palindrome (98789).

The spelling of 9870089 in words is "nine million, eight hundred seventy thousand, eighty-nine".