3421231 has 4 divisors (see below), whose sum is σ = 3732264. Its totient is φ = 3110200.

The previous prime is 3421219. The next prime is 3421237. The reversal of 3421231 is 1321243.

It is a happy number.

3421231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3421231 - 2¹⁷ = 3290159 is a prime.

It is a super-2 number, since 2×3421231² = 23409643110722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421237) 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, 155500 + ... + 155521.

It is an arithmetic number, because the mean of its divisors is an integer number (933066).

Almost surely, 2^3421231 is an apocalyptic number.

3421231 is a deficient number, since it is larger than the sum of its proper divisors (311033).

3421231 is a wasteful number, since it uses less digits than its factorization.

3421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311032.

The product of its digits is 144, while the sum is 16.

The square root of 3421231 is about 1849.6569952291. The cubic root of 3421231 is about 150.6818000001.

Adding to 3421231 its reverse (1321243), we get a palindrome (4742474).

It can be divided in two parts, 34212 and 31, that added together give a palindrome (34243).

The spelling of 3421231 in words is "three million, four hundred twenty-one thousand, two hundred thirty-one".