4678566 has 8 divisors (see below), whose sum is σ = 9357144. Its totient is φ = 1559520.

The previous prime is 4678561. The next prime is 4678567. The reversal of 4678566 is 6658764.

It is a happy number.

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

4678566 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389875 + ... + 389886.

It is an arithmetic number, because the mean of its divisors is an integer number (1169643).

Almost surely, 2^4678566 is an apocalyptic number.

4678566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4678566 is a wasteful number, since it uses less digits than its factorization.

4678566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779766.

The product of its digits is 241920, while the sum is 42.

The square root of 4678566 is about 2162.9993065186. Note that the first 3 decimals coincide. The cubic root of 4678566 is about 167.2518460967.

The spelling of 4678566 in words is "four million, six hundred seventy-eight thousand, five hundred sixty-six".