4266638 has 8 divisors (see below), whose sum is σ = 6678288. Its totient is φ = 2040544.

The previous prime is 4266637. The next prime is 4266667. The reversal of 4266638 is 8366624.

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

It is a junction number, because it is equal to n+sod(n) for n = 4266598 and 4266607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266637) 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, 46331 + ... + 46422.

It is an arithmetic number, because the mean of its divisors is an integer number (834786).

Almost surely, 2^4266638 is an apocalyptic number.

4266638 is a deficient number, since it is larger than the sum of its proper divisors (2411650).

4266638 is a wasteful number, since it uses less digits than its factorization.

4266638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92778.

The product of its digits is 41472, while the sum is 35.

The square root of 4266638 is about 2065.5841788705. The cubic root of 4266638 is about 162.1916899719.

The spelling of 4266638 in words is "four million, two hundred sixty-six thousand, six hundred thirty-eight".