3421518 has 8 divisors (see below), whose sum is σ = 6843048. Its totient is φ = 1140504.

The previous prime is 3421513. The next prime is 3421531. The reversal of 3421518 is 8151243.

3421518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3421518 is an admirable 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 (3421513) by changing a digit.

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, 285121 + ... + 285132.

It is an arithmetic number, because the mean of its divisors is an integer number (855381).

Almost surely, 2^3421518 is an apocalyptic number.

3421518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421518 is a wasteful number, since it uses less digits than its factorization.

3421518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570258.

The product of its digits is 960, while the sum is 24.

The square root of 3421518 is about 1849.7345755540. The cubic root of 3421518 is about 150.6860133439.

The spelling of 3421518 in words is "three million, four hundred twenty-one thousand, five hundred eighteen".