489533838 has 16 divisors (see below), whose sum is σ = 985640400. Its totient is φ = 162082496.

The previous prime is 489533827. The next prime is 489533843. The reversal of 489533838 is 838335984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272895 + ... + 274682.

It is an arithmetic number, because the mean of its divisors is an integer number (61602525).

Almost surely, 2^489533838 is an apocalyptic number.

489533838 is an abundant number, since it is smaller than the sum of its proper divisors (496106562).

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

489533838 is a wasteful number, since it uses less digits than its factorization.

489533838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547731.

The product of its digits is 2488320, while the sum is 51.

The square root of 489533838 is about 22125.4115893920. The cubic root of 489533838 is about 788.1234303375.

The spelling of 489533838 in words is "four hundred eighty-nine million, five hundred thirty-three thousand, eight hundred thirty-eight".