8218238 has 8 divisors (see below), whose sum is σ = 14088432. Its totient is φ = 3522096.

The previous prime is 8218229. The next prime is 8218253. The reversal of 8218238 is 8328128.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293495 + ... + 293522.

It is an arithmetic number, because the mean of its divisors is an integer number (1761054).

Almost surely, 2^8218238 is an apocalyptic number.

8218238 is a deficient number, since it is larger than the sum of its proper divisors (5870194).

8218238 is a wasteful number, since it uses less digits than its factorization.

8218238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587026.

The product of its digits is 6144, while the sum is 32.

The square root of 8218238 is about 2866.7469368607. The cubic root of 8218238 is about 201.8023587238.

The spelling of 8218238 in words is "eight million, two hundred eighteen thousand, two hundred thirty-eight".