489180906 has 24 divisors (see below), whose sum is σ = 1062794304. Its totient is φ = 162613800.

The previous prime is 489180871. The next prime is 489180911. The reversal of 489180906 is 609081984.

489180906 is a `hidden beast` number, since 489 + 1 + 80 + 90 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30420 + ... + 43631.

It is an arithmetic number, because the mean of its divisors is an integer number (44283096).

Almost surely, 2^489180906 is an apocalyptic number.

489180906 is an abundant number, since it is smaller than the sum of its proper divisors (573613398).

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

489180906 is a wasteful number, since it uses less digits than its factorization.

489180906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74426 (or 74423 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 489180906 is about 22117.4344353047. The cubic root of 489180906 is about 787.9339842228.

The spelling of 489180906 in words is "four hundred eighty-nine million, one hundred eighty thousand, nine hundred six".