902865 has 16 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 460416.

The previous prime is 902849. The next prime is 902873. The reversal of 902865 is 568209.

It is not a de Polignac number, because 902865 - 2⁴ = 902849 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902865.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2⁹⁰²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

902865 is a deficient number, since it is larger than the sum of its proper divisors (605103).

902865 is a wasteful number, since it uses less digits than its factorization.

902865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 902865 is about 950.1920858437. The cubic root of 902865 is about 96.6512790938.

The spelling of 902865 in words is "nine hundred two thousand, eight hundred sixty-five".