3443121 has 16 divisors (see below), whose sum is σ = 5565120. Its totient is φ = 2086560.

The previous prime is 3443117. The next prime is 3443131. The reversal of 3443121 is 1213443.

It is not a de Polignac number, because 3443121 - 2² = 3443117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3443094 and 3443103.

It is not an unprimeable number, because it can be changed into a prime (3443101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 6093.

It is an arithmetic number, because the mean of its divisors is an integer number (347820).

Almost surely, 2^3443121 is an apocalyptic number.

It is an amenable number.

3443121 is a deficient number, since it is larger than the sum of its proper divisors (2121999).

3443121 is a wasteful number, since it uses less digits than its factorization.

3443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613 (or 11607 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3443121 is about 1855.5648735628. The cubic root of 3443121 is about 151.0024852302.

Adding to 3443121 its reverse (1213443), we get a palindrome (4656564).

The spelling of 3443121 in words is "three million, four hundred forty-three thousand, one hundred twenty-one".