869484 has 48 divisors (see below), whose sum is σ = 2532096. Its totient is φ = 225600.

The previous prime is 869471. The next prime is 869489. The reversal of 869484 is 484968.

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 869484.

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 15 ways as a sum of consecutive naturals, for example, 454 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (52752).

2⁸⁶⁹⁴⁸⁴ is an apocalyptic number.

869484 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266048).

869484 is an abundant number, since it is smaller than the sum of its proper divisors (1662612).

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

869484 is a wasteful number, since it uses less digits than its factorization.

869484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 964 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 869484 is about 932.4612592489. The cubic root of 869484 is about 95.4451500132.

It can be divided in two parts, 8694 and 84, that added together give a palindrome (8778).

The spelling of 869484 in words is "eight hundred sixty-nine thousand, four hundred eighty-four".