3418321 has 2 divisors, whose sum is σ = 3418322. Its totient is φ = 3418320.

The previous prime is 3418313. The next prime is 3418351. The reversal of 3418321 is 1238143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 1527696 = 1375^2 + 1236^2 .

It is a cyclic number.

It is not a de Polignac number, because 3418321 - 2³ = 3418313 is a prime.

It is an alternating number because its digits alternate between odd and even.

3418321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3418292 and 3418301.

It is not a weakly prime, because it can be changed into another prime (3418301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709160 + 1709161.

It is an arithmetic number, because the mean of its divisors is an integer number (1709161).

Almost surely, 2^3418321 is an apocalyptic number.

It is an amenable number.

3418321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3418321 is an equidigital number, since it uses as much as digits as its factorization.

3418321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 3418321 is about 1848.8701955519. The cubic root of 3418321 is about 150.6390660234.

The spelling of 3418321 in words is "three million, four hundred eighteen thousand, three hundred twenty-one".