902089 has 2 divisors, whose sum is σ = 902090. Its totient is φ = 902088.

The previous prime is 902087. The next prime is 902119. The reversal of 902089 is 980209.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 435600 = 683^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 902089 - 2¹ = 902087 is a prime.

Together with 902087, it forms a pair of twin primes.

902089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (902087) 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 as a sum of consecutive naturals, namely, 451044 + 451045.

It is an arithmetic number, because the mean of its divisors is an integer number (451045).

2⁹⁰²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

902089 is a deficient number, since it is larger than the sum of its proper divisors (1).

902089 is an equidigital number, since it uses as much as digits as its factorization.

902089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 902089 is about 949.7836595773. The cubic root of 902089 is about 96.6235810104.

The spelling of 902089 in words is "nine hundred two thousand, eighty-nine".