4661866 has 16 divisors (see below), whose sum is σ = 7892640. Its totient is φ = 2045680.

The previous prime is 4661863. The next prime is 4661887. The reversal of 4661866 is 6681664.

It is not an unprimeable number, because it can be changed into a prime (4661863) 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, 3016 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^4661866 is an apocalyptic number.

4661866 is a deficient number, since it is larger than the sum of its proper divisors (3230774).

4661866 is a wasteful number, since it uses less digits than its factorization.

4661866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349.

The product of its digits is 41472, while the sum is 37.

The square root of 4661866 is about 2159.1354751381. The cubic root of 4661866 is about 167.0526087137.

It can be divided in two parts, 466 and 1866, that added together give a palindrome (2332).

The spelling of 4661866 in words is "four million, six hundred sixty-one thousand, eight hundred sixty-six".