489867718 has 4 divisors (see below), whose sum is σ = 734801580. Its totient is φ = 244933858.

The previous prime is 489867683. The next prime is 489867727. The reversal of 489867718 is 817768984.

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

It is a super-2 number, since 2×489867718² = 479940762277055048, which contains 22 as substring.

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, 122466928 + ... + 122466931.

It is an arithmetic number, because the mean of its divisors is an integer number (183700395).

Almost surely, 2^489867718 is an apocalyptic number.

489867718 is a deficient number, since it is larger than the sum of its proper divisors (244933862).

489867718 is a wasteful number, since it uses less digits than its factorization.

489867718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244933861.

The product of its digits is 5419008, while the sum is 58.

The square root of 489867718 is about 22132.9554736822. The cubic root of 489867718 is about 788.3025659626.

The spelling of 489867718 in words is "four hundred eighty-nine million, eight hundred sixty-seven thousand, seven hundred eighteen".