4564666 has 4 divisors (see below), whose sum is σ = 6847002. Its totient is φ = 2282332.

The previous prime is 4564663. The next prime is 4564667. The reversal of 4564666 is 6664654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 275625 = 2071^2 + 525^2 .

It is not an unprimeable number, because it can be changed into a prime (4564663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141165 + ... + 1141168.

Almost surely, 2^4564666 is an apocalyptic number.

4564666 is a deficient number, since it is larger than the sum of its proper divisors (2282336).

4564666 is a wasteful number, since it uses less digits than its factorization.

4564666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282335.

The product of its digits is 103680, while the sum is 37.

The square root of 4564666 is about 2136.5078984174. The cubic root of 4564666 is about 165.8834281011.

The spelling of 4564666 in words is "four million, five hundred sixty-four thousand, six hundred sixty-six".