3442321 has 4 divisors (see below), whose sum is σ = 3446500. Its totient is φ = 3438144.

The previous prime is 3442301. The next prime is 3442331. The reversal of 3442321 is 1232443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1232443 = 163 ⋅7561.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 3111696 = 575^2 + 1764^2 .

It is a cyclic number.

It is not a de Polignac number, because 3442321 - 2¹³ = 3434129 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3442301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (861625).

Almost surely, 2^3442321 is an apocalyptic number.

It is an amenable number.

3442321 is a deficient number, since it is larger than the sum of its proper divisors (4179).

3442321 is a wasteful number, since it uses less digits than its factorization.

3442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178.

The product of its digits is 576, while the sum is 19.

The square root of 3442321 is about 1855.3492932599. The cubic root of 3442321 is about 150.9907893158.

Adding to 3442321 its reverse (1232443), we get a palindrome (4674764).

The spelling of 3442321 in words is "three million, four hundred forty-two thousand, three hundred twenty-one".