489481770 has 16 divisors (see below), whose sum is σ = 1174756320. Its totient is φ = 130528464.

The previous prime is 489481757. The next prime is 489481789. The reversal of 489481770 is 77184984.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8158000 + ... + 8158059.

It is an arithmetic number, because the mean of its divisors is an integer number (73422270).

Almost surely, 2^489481770 is an apocalyptic number.

489481770 is an abundant number, since it is smaller than the sum of its proper divisors (685274550).

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

489481770 is a wasteful number, since it uses less digits than its factorization.

489481770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316069.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 489481770 is about 22124.2349020254. The cubic root of 489481770 is about 788.0954871103.

The spelling of 489481770 in words is "four hundred eighty-nine million, four hundred eighty-one thousand, seven hundred seventy".