869488 has 20 divisors (see below), whose sum is σ = 1739968. Its totient is φ = 420480.

The previous prime is 869471. The next prime is 869489. The reversal of 869488 is 884968.

869488 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869489) 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, 381 + ... + 1372.

2⁸⁶⁹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

869488 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869488 is a wasteful number, since it uses less digits than its factorization.

869488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1786 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 869488 is about 932.4634041076. The cubic root of 869488 is about 95.4452963759.

It can be divided in two parts, 8 and 69488, that added together give a palindrome (69496).

The spelling of 869488 in words is "eight hundred sixty-nine thousand, four hundred eighty-eight".