802089 has 16 divisors (see below), whose sum is σ = 1210240. Its totient is φ = 524880.

The previous prime is 802073. The next prime is 802103. The reversal of 802089 is 980208.

802089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 802089 - 2⁴ = 802073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

802089 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404 + ... + 1890.

It is an arithmetic number, because the mean of its divisors is an integer number (75640).

2⁸⁰²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

802089 is a deficient number, since it is larger than the sum of its proper divisors (408151).

802089 is a wasteful number, since it uses less digits than its factorization.

802089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 802089 is about 895.5942161493. The cubic root of 802089 is about 92.9125087680.

The spelling of 802089 in words is "eight hundred two thousand, eighty-nine".