489476136 has 16 divisors (see below), whose sum is σ = 1223690400. Its totient is φ = 163158704.

The previous prime is 489476089. The next prime is 489476167. The reversal of 489476136 is 631674984.

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, 10197396 + ... + 10197443.

It is an arithmetic number, because the mean of its divisors is an integer number (76480650).

Almost surely, 2^489476136 is an apocalyptic number.

It is an amenable number.

489476136 is an abundant number, since it is smaller than the sum of its proper divisors (734214264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489476136 is a wasteful number, since it uses less digits than its factorization.

489476136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20394848 (or 20394844 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 489476136 is about 22124.1075752221. The cubic root of 489476136 is about 788.0924634042.

The spelling of 489476136 in words is "four hundred eighty-nine million, four hundred seventy-six thousand, one hundred thirty-six".