868499 has 4 divisors (see below), whose sum is σ = 877200. Its totient is φ = 859800.

The previous prime is 868493. The next prime is 868529. The reversal of 868499 is 994868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868499 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868493) 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, 4199 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (219300).

2⁸⁶⁸⁴⁹⁹ is an apocalyptic number.

868499 is a deficient number, since it is larger than the sum of its proper divisors (8701).

868499 is a wasteful number, since it uses less digits than its factorization.

868499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700.

The product of its digits is 124416, while the sum is 44.

The square root of 868499 is about 931.9329375014. The cubic root of 868499 is about 95.4090945303.

The spelling of 868499 in words is "eight hundred sixty-eight thousand, four hundred ninety-nine".