427863 has 8 divisors (see below), whose sum is σ = 575488. Its totient is φ = 282744.

The previous prime is 427859. The next prime is 427877. The reversal of 427863 is 368724.

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

It is not a de Polignac number, because 427863 - 2² = 427859 is a prime.

It is an Ulam number.

It is a Duffinian number.

427863 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 427863.

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 427863.

It is not an unprimeable number, because it can be changed into a prime (427813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (71936).

2⁴²⁷⁸⁶³ is an apocalyptic number.

427863 is a deficient number, since it is larger than the sum of its proper divisors (147625).

427863 is a wasteful number, since it uses less digits than its factorization.

427863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 8064, while the sum is 30.

The square root of 427863 is about 654.1123756664. The cubic root of 427863 is about 75.3531786979.

The spelling of 427863 in words is "four hundred twenty-seven thousand, eight hundred sixty-three".