489999982 has 4 divisors (see below), whose sum is σ = 734999976. Its totient is φ = 244999990.

The previous prime is 489999977. The next prime is 489999997. The reversal of 489999982 is 289999984.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122499994 + ... + 122499997.

It is an arithmetic number, because the mean of its divisors is an integer number (183749994).

Almost surely, 2^489999982 is an apocalyptic number.

489999982 is a deficient number, since it is larger than the sum of its proper divisors (244999994).

489999982 is a wasteful number, since it uses less digits than its factorization.

489999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244999993.

The product of its digits is 30233088, while the sum is 67.

The square root of 489999982 is about 22135.9432146001. The cubic root of 489999982 is about 788.3735066570.

It can be divided in two parts, 48999998 and 2, that added together give a square (49000000 = 7000²).

The spelling of 489999982 in words is "four hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".