489906318 has 32 divisors (see below), whose sum is σ = 1073181312. Its totient is φ = 147860000.

The previous prime is 489906301. The next prime is 489906343. The reversal of 489906318 is 813609984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780 + ... + 31352.

It is an arithmetic number, because the mean of its divisors is an integer number (33536916).

Almost surely, 2^489906318 is an apocalyptic number.

489906318 is an abundant number, since it is smaller than the sum of its proper divisors (583274994).

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

489906318 is a wasteful number, since it uses less digits than its factorization.

489906318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29840.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 489906318 is about 22133.8274593438. The cubic root of 489906318 is about 788.3232706540.

The spelling of 489906318 in words is "four hundred eighty-nine million, nine hundred six thousand, three hundred eighteen".