489874918 has 8 divisors (see below), whose sum is σ = 791336448. Its totient is φ = 226096104.

The previous prime is 489874909. The next prime is 489874921. The reversal of 489874918 is 819478984.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 9420646 + ... + 9420697.

It is an arithmetic number, because the mean of its divisors is an integer number (98917056).

Almost surely, 2^489874918 is an apocalyptic number.

489874918 is a deficient number, since it is larger than the sum of its proper divisors (301461530).

489874918 is a wasteful number, since it uses less digits than its factorization.

489874918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18841358.

The product of its digits is 4644864, while the sum is 58.

The square root of 489874918 is about 22133.1181264638. The cubic root of 489874918 is about 788.3064280601.

The spelling of 489874918 in words is "four hundred eighty-nine million, eight hundred seventy-four thousand, nine hundred eighteen".