3893218 has 8 divisors (see below), whose sum is σ = 6674112. Its totient is φ = 1668516.

The previous prime is 3893213. The next prime is 3893243. The reversal of 3893218 is 8123983.

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

It is not an unprimeable number, because it can be changed into a prime (3893213) 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, 139030 + ... + 139057.

It is an arithmetic number, because the mean of its divisors is an integer number (834264).

Almost surely, 2^3893218 is an apocalyptic number.

3893218 is a deficient number, since it is larger than the sum of its proper divisors (2780894).

3893218 is a wasteful number, since it uses less digits than its factorization.

3893218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278096.

The product of its digits is 10368, while the sum is 34.

The square root of 3893218 is about 1973.1239190684. The cubic root of 3893218 is about 157.3147970039.

The spelling of 3893218 in words is "three million, eight hundred ninety-three thousand, two hundred eighteen".