9285439 has 2 divisors, whose sum is σ = 9285440. Its totient is φ = 9285438.

The previous prime is 9285427. The next prime is 9285457. The reversal of 9285439 is 9345829.

It is a happy number.

9285439 is digitally balanced in base 3, 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 9285439 - 2⁵ = 9285407 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9285469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4642719 + 4642720.

It is an arithmetic number, because the mean of its divisors is an integer number (4642720).

Almost surely, 2^9285439 is an apocalyptic number.

9285439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9285439 is an equidigital number, since it uses as much as digits as its factorization.

9285439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 9285439 is about 3047.2018311887. The cubic root of 9285439 is about 210.1845618592.

The spelling of 9285439 in words is "nine million, two hundred eighty-five thousand, four hundred thirty-nine".