489091572 has 72 divisors (see below), whose sum is σ = 1254839040. Its totient is φ = 160608000.

The previous prime is 489091571. The next prime is 489091613. The reversal of 489091572 is 275190984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489091571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020829 + ... + 1021307.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^489091572 is an apocalyptic number.

It is an amenable number.

489091572 is an abundant number, since it is smaller than the sum of its proper divisors (765747468).

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

489091572 is a wasteful number, since it uses less digits than its factorization.

489091572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 489091572 is about 22115.4148050630. The cubic root of 489091572 is about 787.8860172513.

The spelling of 489091572 in words is "four hundred eighty-nine million, ninety-one thousand, five hundred seventy-two".