868238 has 8 divisors (see below), whose sum is σ = 1488432. Its totient is φ = 372096.

The previous prime is 868229. The next prime is 868249. The reversal of 868238 is 832868.

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 868198 and 868207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30995 + ... + 31022.

It is an arithmetic number, because the mean of its divisors is an integer number (186054).

2⁸⁶⁸²³⁸ is an apocalyptic number.

868238 is a deficient number, since it is larger than the sum of its proper divisors (620194).

868238 is a wasteful number, since it uses less digits than its factorization.

868238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62026.

The product of its digits is 18432, while the sum is 35.

The square root of 868238 is about 931.7928954440. The cubic root of 868238 is about 95.3995361741.

The spelling of 868238 in words is "eight hundred sixty-eight thousand, two hundred thirty-eight".