869285 has 8 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 665104.

The previous prime is 869273. The next prime is 869291. The reversal of 869285 is 582968.

869285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 869285 - 2¹⁶ = 803749 is a prime.

It is a super-2 number, since 2×869285² = 1511312822450, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869285.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3665 + ... + 3894.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2⁸⁶⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

869285 is a deficient number, since it is larger than the sum of its proper divisors (219355).

869285 is a wasteful number, since it uses less digits than its factorization.

869285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587.

The product of its digits is 34560, while the sum is 38.

The square root of 869285 is about 932.3545462966. The cubic root of 869285 is about 95.4378679033.

The spelling of 869285 in words is "eight hundred sixty-nine thousand, two hundred eighty-five".