3340321 has 4 divisors (see below), whose sum is σ = 3346432. Its totient is φ = 3334212.

The previous prime is 3340301. The next prime is 3340327. The reversal of 3340321 is 1230433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3340321 - 2⁷ = 3340193 is a prime.

It is a super-2 number, since 2×3340321² = 22315488766082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3340295 and 3340304.

It is not an unprimeable number, because it can be changed into a prime (3340327) 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, 2145 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (836608).

Almost surely, 2^3340321 is an apocalyptic number.

It is an amenable number.

3340321 is a deficient number, since it is larger than the sum of its proper divisors (6111).

3340321 is an equidigital number, since it uses as much as digits as its factorization.

3340321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3340321 is about 1827.6545078324. The cubic root of 3340321 is about 149.4844672400.

Adding to 3340321 its reverse (1230433), we get a palindrome (4570754).

The spelling of 3340321 in words is "three million, three hundred forty thousand, three hundred twenty-one".