489826885 has 4 divisors (see below), whose sum is σ = 587792268. Its totient is φ = 391861504.

The previous prime is 489826879. The next prime is 489826943. The reversal of 489826885 is 588628984.

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 374887044 + 114939841 = 19362^2 + 10721^2 .

It is a cyclic number.

It is not a de Polignac number, because 489826885 - 2⁵ = 489826853 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48982684 + ... + 48982693.

It is an arithmetic number, because the mean of its divisors is an integer number (146948067).

Almost surely, 2^489826885 is an apocalyptic number.

It is an amenable number.

489826885 is a deficient number, since it is larger than the sum of its proper divisors (97965383).

489826885 is an equidigital number, since it uses as much as digits as its factorization.

489826885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97965382.

The product of its digits is 8847360, while the sum is 58.

The square root of 489826885 is about 22132.0330064818. The cubic root of 489826885 is about 788.2806623262.

The spelling of 489826885 in words is "four hundred eighty-nine million, eight hundred twenty-six thousand, eight hundred eighty-five".