489455 has 8 divisors (see below), whose sum is σ = 598752. Its totient is φ = 383968.

The previous prime is 489449. The next prime is 489457. The reversal of 489455 is 554984.

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 489455 - 2⁴ = 489439 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 (489457) 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, 659 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (74844).

2⁴⁸⁹⁴⁵⁵ is an apocalyptic number.

489455 is a deficient number, since it is larger than the sum of its proper divisors (109297).

489455 is a wasteful number, since it uses less digits than its factorization.

489455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905.

The product of its digits is 28800, while the sum is 35.

The square root of 489455 is about 699.6106059802. The cubic root of 489455 is about 78.8081119738.

The spelling of 489455 in words is "four hundred eighty-nine thousand, four hundred fifty-five".