4665866 has 4 divisors (see below), whose sum is σ = 6998802. Its totient is φ = 2332932.

The previous prime is 4665863. The next prime is 4665877. The reversal of 4665866 is 6685664.

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., 4532641 + 133225 = 2129^2 + 365^2 .

It is not an unprimeable number, because it can be changed into a prime (4665863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166465 + ... + 1166468.

Almost surely, 2^4665866 is an apocalyptic number.

4665866 is a deficient number, since it is larger than the sum of its proper divisors (2332936).

4665866 is a wasteful number, since it uses less digits than its factorization.

4665866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332935.

The product of its digits is 207360, while the sum is 41.

The square root of 4665866 is about 2160.0615731965. The cubic root of 4665866 is about 167.1003735223.

The spelling of 4665866 in words is "four million, six hundred sixty-five thousand, eight hundred sixty-six".