868353 has 8 divisors (see below), whose sum is σ = 1189248. Its totient is φ = 563184.

The previous prime is 868349. The next prime is 868369. The reversal of 868353 is 353868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 868353 - 2² = 868349 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (148656).

It is a Proth number, since it is equal to 53 ⋅ 2¹⁴ + 1 and 53 < 2¹⁴.

2⁸⁶⁸³⁵³ is an apocalyptic number.

It is an amenable number.

868353 is a deficient number, since it is larger than the sum of its proper divisors (320895).

868353 is a wasteful number, since it uses less digits than its factorization.

868353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863.

The product of its digits is 17280, while the sum is 33.

The square root of 868353 is about 931.8546023925. The cubic root of 868353 is about 95.4037479464.

Adding to 868353 its reverse (353868), we get a palindrome (1222221).

It can be divided in two parts, 868 and 353, that added together give a palindrome (1221).

The spelling of 868353 in words is "eight hundred sixty-eight thousand, three hundred fifty-three".