868288 has 14 divisors (see below), whose sum is σ = 1723136. Its totient is φ = 434112.

The previous prime is 868277. The next prime is 868291. The reversal of 868288 is 882868.

It is a self number, because there is not a number n which added to its sum of digits gives 868288.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720 + ... + 6847.

2⁸⁶⁸²⁸⁸ is an apocalyptic number.

It is an amenable number.

868288 is a deficient number, since it is larger than the sum of its proper divisors (854848).

868288 is a wasteful number, since it uses less digits than its factorization.

868288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13579 (or 13569 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 868288 is about 931.8197250542. The cubic root of 868288 is about 95.4013674251.

It can be divided in two parts, 868 and 288, that added together give a square (1156 = 34²).

The spelling of 868288 in words is "eight hundred sixty-eight thousand, two hundred eighty-eight".