489866266 has 8 divisors (see below), whose sum is σ = 738008820. Its totient is φ = 243863328.

The previous prime is 489866263. The next prime is 489866269. The reversal of 489866266 is 662668984.

It is an interprime number because it is at equal distance from previous prime (489866263) and next prime (489866269).

It can be written as a sum of positive squares in 2 ways, for example, as 446688225 + 43178041 = 21135^2 + 6571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (489866263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534331 + ... + 535246.

Almost surely, 2^489866266 is an apocalyptic number.

489866266 is a deficient number, since it is larger than the sum of its proper divisors (248142554).

489866266 is a wasteful number, since it uses less digits than its factorization.

489866266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069808.

The product of its digits is 5971968, while the sum is 55.

The square root of 489866266 is about 22132.9226718931. The cubic root of 489866266 is about 788.3017871016.

The spelling of 489866266 in words is "four hundred eighty-nine million, eight hundred sixty-six thousand, two hundred sixty-six".