489786485 has 4 divisors (see below), whose sum is σ = 587743788. Its totient is φ = 391829184.

The previous prime is 489786431. The next prime is 489786497. The reversal of 489786485 is 584687984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 342916324 + 146870161 = 18518^2 + 12119^2 .

It is a cyclic number.

It is not a de Polignac number, because 489786485 - 2²⁶ = 422677621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48978644 + ... + 48978653.

It is an arithmetic number, because the mean of its divisors is an integer number (146935947).

Almost surely, 2^489786485 is an apocalyptic number.

It is an amenable number.

489786485 is a deficient number, since it is larger than the sum of its proper divisors (97957303).

489786485 is an equidigital number, since it uses as much as digits as its factorization.

489786485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97957302.

The product of its digits is 15482880, while the sum is 59.

The square root of 489786485 is about 22131.1202834380. The cubic root of 489786485 is about 788.2589897617.

The spelling of 489786485 in words is "four hundred eighty-nine million, seven hundred eighty-six thousand, four hundred eighty-five".