3421831 has 4 divisors (see below), whose sum is σ = 3910672. Its totient is φ = 2932992.

The previous prime is 3421813. The next prime is 3421853. The reversal of 3421831 is 1381243.

3421831 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 3421831 - 2⁵ = 3421799 is a prime.

It is a super-2 number, since 2×3421831² = 23417854785122, which contains 22 as substring.

It is a Duffinian number.

3421831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421801) 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, 244410 + ... + 244423.

It is an arithmetic number, because the mean of its divisors is an integer number (977668).

Almost surely, 2^3421831 is an apocalyptic number.

3421831 is a deficient number, since it is larger than the sum of its proper divisors (488841).

3421831 is an equidigital number, since it uses as much as digits as its factorization.

3421831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488840.

The product of its digits is 576, while the sum is 22.

The square root of 3421831 is about 1849.8191803525. The cubic root of 3421831 is about 150.6906081158.

The spelling of 3421831 in words is "three million, four hundred twenty-one thousand, eight hundred thirty-one".