869481 has 8 divisors (see below), whose sum is σ = 1288160. Its totient is φ = 579636.

The previous prime is 869471. The next prime is 869489. The reversal of 869481 is 184968.

It is a happy number.

It is not a de Polignac number, because 869481 - 2¹⁵ = 836713 is a prime.

It is a super-2 number, since 2×869481² = 1511994418722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869481.

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 7 ways as a sum of consecutive naturals, for example, 16075 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (161020).

2⁸⁶⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

869481 is a deficient number, since it is larger than the sum of its proper divisors (418679).

869481 is a wasteful number, since it uses less digits than its factorization.

869481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32212 (or 32206 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 869481 is about 932.4596506016. The cubic root of 869481 is about 95.4450402409.

The spelling of 869481 in words is "eight hundred sixty-nine thousand, four hundred eighty-one".