489727537 has 8 divisors (see below), whose sum is σ = 530315240. Its totient is φ = 449556480.

The previous prime is 489727529. The next prime is 489727543. The reversal of 489727537 is 735727984.

It can be written as a sum of positive squares in 4 ways, for example, as 93876721 + 395850816 = 9689^2 + 19896^2 .

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 489727537 - 2³ = 489727529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489727507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101712 + ... + 106417.

It is an arithmetic number, because the mean of its divisors is an integer number (66289405).

Almost surely, 2^489727537 is an apocalyptic number.

It is an amenable number.

489727537 is a deficient number, since it is larger than the sum of its proper divisors (40587703).

489727537 is a wasteful number, since it uses less digits than its factorization.

489727537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208323.

The product of its digits is 2963520, while the sum is 52.

The square root of 489727537 is about 22129.7884535754. The cubic root of 489727537 is about 788.2273649914.

The spelling of 489727537 in words is "four hundred eighty-nine million, seven hundred twenty-seven thousand, five hundred thirty-seven".