8938666 has 16 divisors (see below), whose sum is σ = 14681088. Its totient is φ = 4048000.

The previous prime is 8938663. The next prime is 8938667. The reversal of 8938666 is 6668398.

It is a happy number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8938663) 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, 7191 + ... + 8341.

It is an arithmetic number, because the mean of its divisors is an integer number (917568).

Almost surely, 2^8938666 is an apocalyptic number.

8938666 is a deficient number, since it is larger than the sum of its proper divisors (5742422).

8938666 is a wasteful number, since it uses less digits than its factorization.

8938666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 373248, while the sum is 46.

The square root of 8938666 is about 2989.7601910521. The cubic root of 8938666 is about 207.5347868324.

It can be divided in two parts, 8938 and 666, that added together give a square (9604 = 98²).

The spelling of 8938666 in words is "eight million, nine hundred thirty-eight thousand, six hundred sixty-six".