489538056 has 64 divisors (see below), whose sum is σ = 1400400000. Its totient is φ = 139696128.

The previous prime is 489538039. The next prime is 489538057. The reversal of 489538056 is 650835984.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 489537996 and 489538014.

It is not an unprimeable number, because it can be changed into a prime (489538057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208666 + ... + 210998.

It is an arithmetic number, because the mean of its divisors is an integer number (21881250).

Almost surely, 2^489538056 is an apocalyptic number.

It is an amenable number.

489538056 is an abundant number, since it is smaller than the sum of its proper divisors (910861944).

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

489538056 is a wasteful number, since it uses less digits than its factorization.

489538056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 489538056 is about 22125.5069094473. The cubic root of 489538056 is about 788.1256939162.

The spelling of 489538056 in words is "four hundred eighty-nine million, five hundred thirty-eight thousand, fifty-six".