869243 has 4 divisors (see below), whose sum is σ = 873120. Its totient is φ = 865368.

The previous prime is 869233. The next prime is 869249. The reversal of 869243 is 342968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 869243 - 2⁶ = 869179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869249) 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, 1580 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (218280).

2⁸⁶⁹²⁴³ is an apocalyptic number.

869243 is a deficient number, since it is larger than the sum of its proper divisors (3877).

869243 is a wasteful number, since it uses less digits than its factorization.

869243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876.

The product of its digits is 10368, while the sum is 32.

The square root of 869243 is about 932.3320224040. The cubic root of 869243 is about 95.4363308336.

The spelling of 869243 in words is "eight hundred sixty-nine thousand, two hundred forty-three".