3320321 has 6 divisors (see below), whose sum is σ = 3527430. Its totient is φ = 3124736.

The previous prime is 3320311. The next prime is 3320341. The reversal of 3320321 is 1230233.

It can be written as a sum of positive squares in 3 ways, for example, as 883600 + 2436721 = 940^2 + 1561^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3320321 is a prime.

It is a super-2 number, since 2×3320321² = 22049063086082, 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 = 3320296 and 3320305.

It is not an unprimeable number, because it can be changed into a prime (3320311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5456 + ... + 6033.

It is an arithmetic number, because the mean of its divisors is an integer number (587905).

Almost surely, 2^3320321 is an apocalyptic number.

It is an amenable number.

3320321 is a deficient number, since it is larger than the sum of its proper divisors (207109).

3320321 is a wasteful number, since it uses less digits than its factorization.

3320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11523 (or 11506 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3320321 is about 1822.1747995184. The cubic root of 3320321 is about 149.1855262957.

Adding to 3320321 its reverse (1230233), we get a palindrome (4550554).

The spelling of 3320321 in words is "three million, three hundred twenty thousand, three hundred twenty-one".