3421156 has 12 divisors (see below), whose sum is σ = 6005692. Its totient is φ = 1705248.

The previous prime is 3421151. The next prime is 3421157. The reversal of 3421156 is 6511243.

3421156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1416100 + 2005056 = 1190^2 + 1416^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3421151) 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, 346 + ... + 2638.

Almost surely, 2^3421156 is an apocalyptic number.

It is an amenable number.

3421156 is a deficient number, since it is larger than the sum of its proper divisors (2584536).

3421156 is a wasteful number, since it uses less digits than its factorization.

3421156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2668 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 3421156 is about 1849.6367210888. The cubic root of 3421156 is about 150.6806989132.

Adding to 3421156 its reverse (6511243), we get a palindrome (9932399).

The spelling of 3421156 in words is "three million, four hundred twenty-one thousand, one hundred fifty-six".