4466638 has 16 divisors (see below), whose sum is σ = 7562160. Its totient is φ = 1960000.

The previous prime is 4466621. The next prime is 4466639. The reversal of 4466638 is 8366644.

It is a junction number, because it is equal to n+sod(n) for n = 4466597 and 4466606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4466639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2863 + ... + 4138.

It is an arithmetic number, because the mean of its divisors is an integer number (472635).

Almost surely, 2^4466638 is an apocalyptic number.

4466638 is a deficient number, since it is larger than the sum of its proper divisors (3095522).

4466638 is a wasteful number, since it uses less digits than its factorization.

4466638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its digits is 82944, while the sum is 37.

The square root of 4466638 is about 2113.4422159122. The cubic root of 4466638 is about 164.6873540932.

The spelling of 4466638 in words is "four million, four hundred sixty-six thousand, six hundred thirty-eight".