489633 has 4 divisors (see below), whose sum is σ = 652848. Its totient is φ = 326420.

The previous prime is 489631. The next prime is 489653. The reversal of 489633 is 336984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489633 - 2¹ = 489631 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 489594 and 489603.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489633.

It is not an unprimeable number, because it can be changed into a prime (489631) 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, 81603 + ... + 81608.

It is an arithmetic number, because the mean of its divisors is an integer number (163212).

2⁴⁸⁹⁶³³ is an apocalyptic number.

It is an amenable number.

489633 is a deficient number, since it is larger than the sum of its proper divisors (163215).

489633 is a wasteful number, since it uses less digits than its factorization.

489633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163214.

The product of its digits is 15552, while the sum is 33.

The square root of 489633 is about 699.7378080396. The cubic root of 489633 is about 78.8176641926.

The spelling of 489633 in words is "four hundred eighty-nine thousand, six hundred thirty-three".