489654186 has 16 divisors (see below), whose sum is σ = 1119209664. Its totient is φ = 139901184.

The previous prime is 489654181. The next prime is 489654203. The reversal of 489654186 is 681456984.

It is a super-2 number, since 2×489654186² = 479522443734645192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489654181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5829175 + ... + 5829258.

It is an arithmetic number, because the mean of its divisors is an integer number (69950604).

Almost surely, 2^489654186 is an apocalyptic number.

489654186 is an abundant number, since it is smaller than the sum of its proper divisors (629555478).

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

489654186 is a wasteful number, since it uses less digits than its factorization.

489654186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658445.

The product of its digits is 1658880, while the sum is 51.

The square root of 489654186 is about 22128.1311004793. The cubic root of 489654186 is about 788.1880096711.

The spelling of 489654186 in words is "four hundred eighty-nine million, six hundred fifty-four thousand, one hundred eighty-six".