814863 has 8 divisors (see below), whose sum is σ = 1241728. Its totient is φ = 465624.

The previous prime is 814859. The next prime is 814873. The reversal of 814863 is 368418.

It is a happy number.

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

It is not a de Polignac number, because 814863 - 2² = 814859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19381 + ... + 19422.

It is an arithmetic number, because the mean of its divisors is an integer number (155216).

2⁸¹⁴⁸⁶³ is an apocalyptic number.

814863 is a deficient number, since it is larger than the sum of its proper divisors (426865).

814863 is a wasteful number, since it uses less digits than its factorization.

814863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38813.

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

The square root of 814863 is about 902.6976237922. The cubic root of 814863 is about 93.4031521235.

The spelling of 814863 in words is "eight hundred fourteen thousand, eight hundred sixty-three".