489965 has 8 divisors (see below), whose sum is σ = 672000. Its totient is φ = 335952.

The previous prime is 489961. The next prime is 489977. The reversal of 489965 is 569984.

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

It is a cyclic number.

It is not a de Polignac number, because 489965 - 2² = 489961 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489961) 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, 6965 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2⁴⁸⁹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

489965 is a deficient number, since it is larger than the sum of its proper divisors (182035).

489965 is a wasteful number, since it uses less digits than its factorization.

489965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011.

The product of its digits is 77760, while the sum is 41.

The square root of 489965 is about 699.9749995536. The cubic root of 489965 is about 78.8354745066.

The spelling of 489965 in words is "four hundred eighty-nine thousand, nine hundred sixty-five".