8940218 has 8 divisors (see below), whose sum is σ = 15326112. Its totient is φ = 3831516.

The previous prime is 8940187. The next prime is 8940227. The reversal of 8940218 is 8120498.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 319280 + ... + 319307.

It is an arithmetic number, because the mean of its divisors is an integer number (1915764).

Almost surely, 2^8940218 is an apocalyptic number.

8940218 is a deficient number, since it is larger than the sum of its proper divisors (6385894).

8940218 is a wasteful number, since it uses less digits than its factorization.

8940218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638596.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 8940218 is about 2990.0197323764. The cubic root of 8940218 is about 207.5467973997.

The spelling of 8940218 in words is "eight million, nine hundred forty thousand, two hundred eighteen".