489938664 has 32 divisors (see below), whose sum is σ = 1225415520. Its totient is φ = 163237056.

The previous prime is 489938651. The next prime is 489938699. The reversal of 489938664 is 466839984.

It is a super-3 number, since 3×489938664³ (a number of 27 digits) contains 333 as substring.

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, 76282 + ... + 82454.

It is an arithmetic number, because the mean of its divisors is an integer number (38294235).

Almost surely, 2^489938664 is an apocalyptic number.

It is an amenable number.

489938664 is an abundant number, since it is smaller than the sum of its proper divisors (735476856).

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

489938664 is a wasteful number, since it uses less digits than its factorization.

489938664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9485 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 489938664 is about 22134.5581388019. The cubic root of 489938664 is about 788.3406199188.

The spelling of 489938664 in words is "four hundred eighty-nine million, nine hundred thirty-eight thousand, six hundred sixty-four".