566490 has 32 divisors (see below), whose sum is σ = 1420416. Its totient is φ = 144320.

The previous prime is 566453. The next prime is 566521. The reversal of 566490 is 94665.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

566490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (44388).

2⁵⁶⁶⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710208).

566490 is an abundant number, since it is smaller than the sum of its proper divisors (853926).

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

566490 is a wasteful number, since it uses less digits than its factorization.

566490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 566490 is about 752.6552995894. The cubic root of 566490 is about 82.7429021273.

The spelling of 566490 in words is "five hundred sixty-six thousand, four hundred ninety".