5630666 has 8 divisors (see below), whose sum is σ = 8584644. Its totient is φ = 2769120.

The previous prime is 5630663. The next prime is 5630671. The reversal of 5630666 is 6660365.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 9025 = 2371^2 + 95^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5630663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22955 + ... + 23198.

Almost surely, 2^5630666 is an apocalyptic number.

5630666 is a deficient number, since it is larger than the sum of its proper divisors (2953978).

5630666 is a wasteful number, since it uses less digits than its factorization.

5630666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46216.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 5630666 is about 2372.9024421581. The cubic root of 5630666 is about 177.9043588378.

The spelling of 5630666 in words is "five million, six hundred thirty thousand, six hundred sixty-six".