489846609 has 40 divisors (see below), whose sum is σ = 838187328. Its totient is φ = 279275040.

The previous prime is 489846587. The next prime is 489846613. The reversal of 489846609 is 906648984.

It is not a de Polignac number, because 489846609 - 2⁷ = 489846481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489846629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 374134 + ... + 375440.

Almost surely, 2^489846609 is an apocalyptic number.

It is an amenable number.

489846609 is a deficient number, since it is larger than the sum of its proper divisors (348340719).

489846609 is a wasteful number, since it uses less digits than its factorization.

489846609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 489846609 is about 22132.4786004641. The cubic root of 489846609 is about 788.2912428255.

The spelling of 489846609 in words is "four hundred eighty-nine million, eight hundred forty-six thousand, six hundred nine".