9097889 has 4 divisors (see below), whose sum is σ = 9183024. Its totient is φ = 9012756.

The previous prime is 9097883. The next prime is 9097919. The reversal of 9097889 is 9887909.

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 9097889 - 2⁸ = 9097633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9097883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42407 + ... + 42620.

It is an arithmetic number, because the mean of its divisors is an integer number (2295756).

Almost surely, 2^9097889 is an apocalyptic number.

It is an amenable number.

9097889 is a deficient number, since it is larger than the sum of its proper divisors (85135).

9097889 is a wasteful number, since it uses less digits than its factorization.

9097889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85134.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 9097889 is about 3016.2707106624. The cubic root of 9097889 is about 208.7598028074.

It can be divided in two parts, 90 and 97889, that added together give a palindrome (97979).

The spelling of 9097889 in words is "nine million, ninety-seven thousand, eight hundred eighty-nine".