860869 has 4 divisors (see below), whose sum is σ = 875520. Its totient is φ = 846220.

The previous prime is 860861. The next prime is 860887. The reversal of 860869 is 968068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 860869 - 2³ = 860861 is a prime.

It is a super-2 number, since 2×860869² = 1482190870322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237 + ... + 7354.

It is an arithmetic number, because the mean of its divisors is an integer number (218880).

2⁸⁶⁰⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

860869 is a deficient number, since it is larger than the sum of its proper divisors (14651).

860869 is a wasteful number, since it uses less digits than its factorization.

860869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 860869 is about 927.8302646497. The cubic root of 860869 is about 95.1288740326.

The spelling of 860869 in words is "eight hundred sixty thousand, eight hundred sixty-nine".