489270819 has 8 divisors (see below), whose sum is σ = 652605520. Its totient is φ = 326058336.

The previous prime is 489270811. The next prime is 489270823. The reversal of 489270819 is 918072984.

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

It is not a de Polignac number, because 489270819 - 2³ = 489270811 is a prime.

It is a super-2 number, since 2×489270819² = 478771868649861522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489270811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20764 + ... + 37545.

It is an arithmetic number, because the mean of its divisors is an integer number (81575690).

Almost surely, 2^489270819 is an apocalyptic number.

489270819 is a deficient number, since it is larger than the sum of its proper divisors (163334701).

489270819 is a wasteful number, since it uses less digits than its factorization.

489270819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61109.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 489270819 is about 22119.4669691654. The cubic root of 489270819 is about 787.9822561861.

The spelling of 489270819 in words is "four hundred eighty-nine million, two hundred seventy thousand, eight hundred nineteen".