868387 has 8 divisors (see below), whose sum is σ = 950096. Its totient is φ = 788832.

The previous prime is 868381. The next prime is 868397. The reversal of 868387 is 783868.

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

It is a cyclic number.

It is not a de Polignac number, because 868387 - 2³ = 868379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (868381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (118762).

2⁸⁶⁸³⁸⁷ is an apocalyptic number.

868387 is a deficient number, since it is larger than the sum of its proper divisors (81709).

868387 is a wasteful number, since it uses less digits than its factorization.

868387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 64512, while the sum is 40.

The square root of 868387 is about 931.8728454033. The cubic root of 868387 is about 95.4049930948.

The spelling of 868387 in words is "eight hundred sixty-eight thousand, three hundred eighty-seven".