802389 has 16 divisors (see below), whose sum is σ = 1287680. Its totient is φ = 434160.

The previous prime is 802387. The next prime is 802421. The reversal of 802389 is 983208.

It is not a de Polignac number, because 802389 - 2¹ = 802387 is a prime.

It is a Duffinian number.

802389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802387) 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 in 15 ways as a sum of consecutive naturals, for example, 607 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (80480).

2⁸⁰²³⁸⁹ is an apocalyptic number.

It is an amenable number.

802389 is a deficient number, since it is larger than the sum of its proper divisors (485291).

802389 is a wasteful number, since it uses less digits than its factorization.

802389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 802389 is about 895.7616870574. The cubic root of 802389 is about 92.9240911395.

The spelling of 802389 in words is "eight hundred two thousand, three hundred eighty-nine".