489767860 has 12 divisors (see below), whose sum is σ = 1028512548. Its totient is φ = 195907136.

The previous prime is 489767857. The next prime is 489767891. The reversal of 489767860 is 68767984.

It can be written as a sum of positive squares in 2 ways, for example, as 229461904 + 260305956 = 15148^2 + 16134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12244177 + ... + 12244216.

It is an arithmetic number, because the mean of its divisors is an integer number (85709379).

Almost surely, 2^489767860 is an apocalyptic number.

It is an amenable number.

489767860 is an abundant number, since it is smaller than the sum of its proper divisors (538744688).

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

489767860 is a wasteful number, since it uses less digits than its factorization.

489767860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24488402 (or 24488400 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 489767860 is about 22130.6994918823. The cubic root of 489767860 is about 788.2489979862.

The spelling of 489767860 in words is "four hundred eighty-nine million, seven hundred sixty-seven thousand, eight hundred sixty".