489863 has 4 divisors (see below), whose sum is σ = 534408. Its totient is φ = 445320.

The previous prime is 489851. The next prime is 489869. The reversal of 489863 is 368984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489863 - 2⁴ = 489847 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22256 + ... + 22277.

It is an arithmetic number, because the mean of its divisors is an integer number (133602).

2⁴⁸⁹⁸⁶³ is an apocalyptic number.

489863 is a deficient number, since it is larger than the sum of its proper divisors (44545).

489863 is a wasteful number, since it uses less digits than its factorization.

489863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44544.

The product of its digits is 41472, while the sum is 38.

The square root of 489863 is about 699.9021360162. The cubic root of 489863 is about 78.8300035195.

The spelling of 489863 in words is "four hundred eighty-nine thousand, eight hundred sixty-three".