489635 has 4 divisors (see below), whose sum is σ = 587568. Its totient is φ = 391704.

The previous prime is 489631. The next prime is 489653. The reversal of 489635 is 536984.

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 489635 - 2² = 489631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489595 and 489604.

It is not an unprimeable number, because it can be changed into a prime (489631) 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 3 ways as a sum of consecutive naturals, for example, 48959 + ... + 48968.

It is an arithmetic number, because the mean of its divisors is an integer number (146892).

2⁴⁸⁹⁶³⁵ is an apocalyptic number.

489635 is a deficient number, since it is larger than the sum of its proper divisors (97933).

489635 is an equidigital number, since it uses as much as digits as its factorization.

489635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97932.

The product of its digits is 25920, while the sum is 35.

The square root of 489635 is about 699.7392371448. The cubic root of 489635 is about 78.8177715077.

The spelling of 489635 in words is "four hundred eighty-nine thousand, six hundred thirty-five".