489995672 has 16 divisors (see below), whose sum is σ = 948379200. Its totient is φ = 237094560.

The previous prime is 489995659. The next prime is 489995689. The reversal of 489995672 is 276599984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987647 + ... + 988142.

It is an arithmetic number, because the mean of its divisors is an integer number (59273700).

Almost surely, 2^489995672 is an apocalyptic number.

It is an amenable number.

489995672 is a deficient number, since it is larger than the sum of its proper divisors (458383528).

489995672 is a wasteful number, since it uses less digits than its factorization.

489995672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975826 (or 1975822 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 59.

The square root of 489995672 is about 22135.8458614077. The cubic root of 489995672 is about 788.3711951604.

The spelling of 489995672 in words is "four hundred eighty-nine million, nine hundred ninety-five thousand, six hundred seventy-two".