9085399 has 2 divisors, whose sum is σ = 9085400. Its totient is φ = 9085398.

The previous prime is 9085397. The next prime is 9085409. The reversal of 9085399 is 9935809.

9085399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9085399 - 2¹ = 9085397 is a prime.

Together with 9085397, it forms a pair of twin primes.

9085399 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9085397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4542699 + 4542700.

It is an arithmetic number, because the mean of its divisors is an integer number (4542700).

Almost surely, 2^9085399 is an apocalyptic number.

9085399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9085399 is an equidigital number, since it uses as much as digits as its factorization.

9085399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 9085399 is about 3014.1995620728. The cubic root of 9085399 is about 208.6642273745.

The spelling of 9085399 in words is "nine million, eighty-five thousand, three hundred ninety-nine".