492589566 has 128 divisors (see below), whose sum is σ = 1305477120. Its totient is φ = 134719200.

The previous prime is 492589529. The next prime is 492589567. The reversal of 492589566 is 665985294.

It is a happy number.

492589566 is a `hidden beast` number, since 4 + 9 + 2 + 589 + 56 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492589567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1488021 + ... + 1488351.

It is an arithmetic number, because the mean of its divisors is an integer number (10199040).

Almost surely, 2^492589566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492589566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652738560).

492589566 is an abundant number, since it is smaller than the sum of its proper divisors (812887554).

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

492589566 is a wasteful number, since it uses less digits than its factorization.

492589566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 492589566 is about 22194.3588778771. The cubic root of 492589566 is about 789.7598832286.

The spelling of 492589566 in words is "four hundred ninety-two million, five hundred eighty-nine thousand, five hundred sixty-six".