864332 has 12 divisors (see below), whose sum is σ = 1728720. Its totient is φ = 370416.

The previous prime is 864323. The next prime is 864341. The reversal of 864332 is 233468.

It is an interprime number because it is at equal distance from previous prime (864323) and next prime (864341).

864332 is an admirable number.

It is a d-powerful number, because it can be written as 8 + 6⁷ + 3³ + 4⁵ + 3¹⁰ + 2¹⁹ .

It is a nialpdrome in base 10.

It is an unprimeable number.

864332 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15407 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (144060).

2⁸⁶⁴³³² is an apocalyptic number.

It is an amenable number.

864332 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.

864332 is a wasteful number, since it uses less digits than its factorization.

864332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30880 (or 30878 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 864332 is about 929.6945735025. The cubic root of 864332 is about 95.2562610269.

The spelling of 864332 in words is "eight hundred sixty-four thousand, three hundred thirty-two".