3421718 has 16 divisors (see below), whose sum is σ = 5343360. Its totient is φ = 1641600.

The previous prime is 3421711. The next prime is 3421751. The reversal of 3421718 is 8171243.

It is a Smith number, since the sum of its digits (26) 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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421711) 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, 14078 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (333960).

Almost surely, 2^3421718 is an apocalyptic number.

3421718 is a deficient number, since it is larger than the sum of its proper divisors (1921642).

3421718 is a wasteful number, since it uses less digits than its factorization.

3421718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its digits is 1344, while the sum is 26.

The square root of 3421718 is about 1849.7886365745. The cubic root of 3421718 is about 150.6889493327.

The spelling of 3421718 in words is "three million, four hundred twenty-one thousand, seven hundred eighteen".