3404218 has 4 divisors (see below), whose sum is σ = 5106330. Its totient is φ = 1702108.

The previous prime is 3404213. The next prime is 3404221. The reversal of 3404218 is 8124043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 7569 = 1843^2 + 87^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3404213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851053 + ... + 851056.

Almost surely, 2^3404218 is an apocalyptic number.

3404218 is a deficient number, since it is larger than the sum of its proper divisors (1702112).

3404218 is a wasteful number, since it uses less digits than its factorization.

3404218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702111.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3404218 is about 1845.0523027817. The cubic root of 3404218 is about 150.4316161182.

The spelling of 3404218 in words is "three million, four hundred four thousand, two hundred eighteen".