489587505 has 64 divisors (see below), whose sum is σ = 909232128. Its totient is φ = 222325760.

The previous prime is 489587489. The next prime is 489587509. The reversal of 489587505 is 505785984.

It is not a de Polignac number, because 489587505 - 2⁴ = 489587489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (489587509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 973084 + ... + 973586.

It is an arithmetic number, because the mean of its divisors is an integer number (14206752).

Almost surely, 2^489587505 is an apocalyptic number.

It is an amenable number.

489587505 is a deficient number, since it is larger than the sum of its proper divisors (419644623).

489587505 is a wasteful number, since it uses less digits than its factorization.

489587505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The square root of 489587505 is about 22126.6243471525. The cubic root of 489587505 is about 788.1522296232.

The spelling of 489587505 in words is "four hundred eighty-nine million, five hundred eighty-seven thousand, five hundred five".