902289 has 8 divisors (see below), whose sum is σ = 1221280. Its totient is φ = 592548.

The previous prime is 902281. The next prime is 902299. The reversal of 902289 is 982209.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=67.

It is not a de Polignac number, because 902289 - 2³ = 902281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13434 + ... + 13500.

It is an arithmetic number, because the mean of its divisors is an integer number (152660).

2⁹⁰²²⁸⁹ is an apocalyptic number.

It is an amenable number.

902289 is a deficient number, since it is larger than the sum of its proper divisors (318991).

902289 is an frugal number, since it uses more digits than its factorization.

902289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 902289 is about 949.8889408768. Note that the first 3 decimals coincide. The cubic root of 902289 is about 96.6307212106.

The spelling of 902289 in words is "nine hundred two thousand, two hundred eighty-nine".