3421641 has 16 divisors (see below), whose sum is σ = 5042304. Its totient is φ = 2052864.

The previous prime is 3421637. The next prime is 3421657. The reversal of 3421641 is 1461243.

3421641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3421641 - 2² = 3421637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3421631) 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 15 ways as a sum of consecutive naturals, for example, 286 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (315144).

Almost surely, 2^3421641 is an apocalyptic number.

It is an amenable number.

3421641 is a deficient number, since it is larger than the sum of its proper divisors (1620663).

3421641 is a wasteful number, since it uses less digits than its factorization.

3421641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its digits is 576, while the sum is 21.

The square root of 3421641 is about 1849.7678232686. The cubic root of 3421641 is about 150.6878189906.

Adding to 3421641 its reverse (1461243), we get a palindrome (4882884).

The spelling of 3421641 in words is "three million, four hundred twenty-one thousand, six hundred forty-one".