489255982 has 4 divisors (see below), whose sum is σ = 733883976. Its totient is φ = 244627990.

The previous prime is 489255967. The next prime is 489256037. The reversal of 489255982 is 289552984.

It is a semiprime because it is the product of two primes.

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, 122313994 + ... + 122313997.

It is an arithmetic number, because the mean of its divisors is an integer number (183470994).

Almost surely, 2^489255982 is an apocalyptic number.

489255982 is a deficient number, since it is larger than the sum of its proper divisors (244627994).

489255982 is a wasteful number, since it uses less digits than its factorization.

489255982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244627993.

The product of its digits is 2073600, while the sum is 52.

The square root of 489255982 is about 22119.1315833149. The cubic root of 489255982 is about 787.9742909922.

The spelling of 489255982 in words is "four hundred eighty-nine million, two hundred fifty-five thousand, nine hundred eighty-two".