489862811 has 8 divisors (see below), whose sum is σ = 501312000. Its totient is φ = 478456488.

The previous prime is 489862787. The next prime is 489862829. The reversal of 489862811 is 118268984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 489862811 - 2¹⁸ = 489600667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489862861) 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, 13010 + ... + 33896.

It is an arithmetic number, because the mean of its divisors is an integer number (62664000).

Almost surely, 2^489862811 is an apocalyptic number.

489862811 is a deficient number, since it is larger than the sum of its proper divisors (11449189).

489862811 is a wasteful number, since it uses less digits than its factorization.

489862811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433.

The product of its digits is 221184, while the sum is 47.

The square root of 489862811 is about 22132.8446206085. The cubic root of 489862811 is about 788.2999338142.

The spelling of 489862811 in words is "four hundred eighty-nine million, eight hundred sixty-two thousand, eight hundred eleven".