863814 has 32 divisors (see below), whose sum is σ = 2002176. Its totient is φ = 243360.

The previous prime is 863803. The next prime is 863833. The reversal of 863814 is 418368.

It is a happy number.

863814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 863814.

It is an unprimeable number.

863814 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 15 ways as a sum of consecutive naturals, for example, 5424 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (62568).

2⁸⁶³⁸¹⁴ is an apocalyptic number.

863814 is an abundant number, since it is smaller than the sum of its proper divisors (1138362).

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

863814 is a wasteful number, since it uses less digits than its factorization.

863814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its digits is 4608, while the sum is 30.

The square root of 863814 is about 929.4159456347. The cubic root of 863814 is about 95.2372279842.

The spelling of 863814 in words is "eight hundred sixty-three thousand, eight hundred fourteen".