489337818 has 16 divisors (see below), whose sum is σ = 1030185120. Its totient is φ = 154527696.

The previous prime is 489337813. The next prime is 489337819. The reversal of 489337818 is 818733984.

It is a super-2 number, since 2×489337818² = 478903000250002248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489337813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2146105 + ... + 2146332.

It is an arithmetic number, because the mean of its divisors is an integer number (64386570).

Almost surely, 2^489337818 is an apocalyptic number.

489337818 is an abundant number, since it is smaller than the sum of its proper divisors (540847302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489337818 is a wasteful number, since it uses less digits than its factorization.

489337818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292461.

The product of its digits is 1161216, while the sum is 51.

The square root of 489337818 is about 22120.9813977590. The cubic root of 489337818 is about 788.0182223706.

The spelling of 489337818 in words is "four hundred eighty-nine million, three hundred thirty-seven thousand, eight hundred eighteen".