489598136 has 8 divisors (see below), whose sum is σ = 917996520. Its totient is φ = 244799064.

The previous prime is 489598127. The next prime is 489598141. The reversal of 489598136 is 631895984.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30599876 + ... + 30599891.

It is an arithmetic number, because the mean of its divisors is an integer number (114749565).

Almost surely, 2^489598136 is an apocalyptic number.

It is an amenable number.

489598136 is a deficient number, since it is larger than the sum of its proper divisors (428398384).

489598136 is a wasteful number, since it uses less digits than its factorization.

489598136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61199773 (or 61199769 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 489598136 is about 22126.8645767989. The cubic root of 489598136 is about 788.1579342798.

The spelling of 489598136 in words is "four hundred eighty-nine million, five hundred ninety-eight thousand, one hundred thirty-six".