869469 has 8 divisors (see below), whose sum is σ = 1209792. Its totient is φ = 554400.

The previous prime is 869467. The next prime is 869471. The reversal of 869469 is 964968.

869469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (869467) and next prime (869471).

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

It is not a de Polignac number, because 869469 - 2¹ = 869467 is a prime.

It is a super-2 number, since 2×869469² = 1511952683922, which contains 22 as substring.

869469 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 869469.

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 869469.

It is not an unprimeable number, because it can be changed into a prime (869461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (151224).

2⁸⁶⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

869469 is a deficient number, since it is larger than the sum of its proper divisors (340323).

869469 is a wasteful number, since it uses less digits than its factorization.

869469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627.

The product of its digits is 93312, while the sum is 42.

The square root of 869469 is about 932.4532159846. The cubic root of 869469 is about 95.4446011492. Note that the first 3 decimals are identical.

The spelling of 869469 in words is "eight hundred sixty-nine thousand, four hundred sixty-nine".