868534 has 4 divisors (see below), whose sum is σ = 1302804. Its totient is φ = 434266.

The previous prime is 868531. The next prime is 868537. The reversal of 868534 is 435868.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (868531) and next prime (868537).

It is a self number, because there is not a number n which added to its sum of digits gives 868534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217132 + ... + 217135.

It is an arithmetic number, because the mean of its divisors is an integer number (325701).

2⁸⁶⁸⁵³⁴ is an apocalyptic number.

868534 is a deficient number, since it is larger than the sum of its proper divisors (434270).

868534 is a wasteful number, since it uses less digits than its factorization.

868534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434269.

The product of its digits is 23040, while the sum is 34.

The square root of 868534 is about 931.9517154874. The cubic root of 868534 is about 95.4103761566.

The spelling of 868534 in words is "eight hundred sixty-eight thousand, five hundred thirty-four".