8490566 has 16 divisors (see below), whose sum is σ = 14613504. Its totient is φ = 3624264.

The previous prime is 8490563. The next prime is 8490571. The reversal of 8490566 is 6650948.

It is a super-2 number, since 2×8490566² = 144179422000712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490563) 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, 2891 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (913344).

Almost surely, 2^8490566 is an apocalyptic number.

8490566 is a deficient number, since it is larger than the sum of its proper divisors (6122938).

8490566 is a wasteful number, since it uses less digits than its factorization.

8490566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8490566 is about 2913.8575805966. The cubic root of 8490566 is about 204.0072245295.

The spelling of 8490566 in words is "eight million, four hundred ninety thousand, five hundred sixty-six".