865248 has 24 divisors (see below), whose sum is σ = 2271528. Its totient is φ = 288384.

The previous prime is 865247. The next prime is 865253. The reversal of 865248 is 842568.

865248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865247) 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, 4411 + ... + 4602.

It is an arithmetic number, because the mean of its divisors is an integer number (94647).

2⁸⁶⁵²⁴⁸ is an apocalyptic number.

It is an amenable number.

865248 is an abundant number, since it is smaller than the sum of its proper divisors (1406280).

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

865248 is a wasteful number, since it uses less digits than its factorization.

865248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026 (or 9018 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 865248 is about 930.1870779580. The cubic root of 865248 is about 95.2898993085.

It can be divided in two parts, 8 and 65248, that added together give a palindrome (65256).

The spelling of 865248 in words is "eight hundred sixty-five thousand, two hundred forty-eight".