868194 has 24 divisors (see below), whose sum is σ = 1900080. Its totient is φ = 286488.

The previous prime is 868177. The next prime is 868199. The reversal of 868194 is 491868.

It is a happy number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (868199) by changing a digit.

868194 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2329 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (79170).

2⁸⁶⁸¹⁹⁴ is an apocalyptic number.

868194 is an abundant number, since it is smaller than the sum of its proper divisors (1031886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868194 is a wasteful number, since it uses less digits than its factorization.

868194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 491 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 868194 is about 931.7692847481. The cubic root of 868194 is about 95.3979246150.

The spelling of 868194 in words is "eight hundred sixty-eight thousand, one hundred ninety-four".