489439220 has 24 divisors (see below), whose sum is σ = 1045245600. Its totient is φ = 192456992.

The previous prime is 489439217. The next prime is 489439229. The reversal of 489439220 is 22934984.

It is a super-4 number, since 4×489439220⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489439229) 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, 206210 + ... + 208569.

It is an arithmetic number, because the mean of its divisors is an integer number (43551900).

Almost surely, 2^489439220 is an apocalyptic number.

It is an amenable number.

489439220 is an abundant number, since it is smaller than the sum of its proper divisors (555806380).

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

489439220 is a wasteful number, since it uses less digits than its factorization.

489439220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414847 (or 414845 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 489439220 is about 22123.2732659523. The cubic root of 489439220 is about 788.0726504173.

The spelling of 489439220 in words is "four hundred eighty-nine million, four hundred thirty-nine thousand, two hundred twenty".