868244 has 24 divisors (see below), whose sum is σ = 1669920. Its totient is φ = 392544.

The previous prime is 868229. The next prime is 868249. The reversal of 868244 is 442868.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 868244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868249) 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, 2927 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (69580).

2⁸⁶⁸²⁴⁴ is an apocalyptic number.

It is an amenable number.

868244 is a deficient number, since it is larger than the sum of its proper divisors (801676).

868244 is a wasteful number, since it uses less digits than its factorization.

868244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 868244 is about 931.7961150380. The cubic root of 868244 is about 95.3997559279.

The spelling of 868244 in words is "eight hundred sixty-eight thousand, two hundred forty-four".