489339420 has 24 divisors (see below), whose sum is σ = 1370150544. Its totient is φ = 130490496.

The previous prime is 489339317. The next prime is 489339427. The reversal of 489339420 is 24933984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489339427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077769 + ... + 4077888.

It is an arithmetic number, because the mean of its divisors is an integer number (57089606).

Almost surely, 2^489339420 is an apocalyptic number.

It is an amenable number.

489339420 is an abundant number, since it is smaller than the sum of its proper divisors (880811124).

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

489339420 is a wasteful number, since it uses less digits than its factorization.

489339420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155669 (or 8155667 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 489339420 is about 22121.0176076961. The cubic root of 489339420 is about 788.0190823108.

The spelling of 489339420 in words is "four hundred eighty-nine million, three hundred thirty-nine thousand, four hundred twenty".