3227921 has 2 divisors, whose sum is σ = 3227922. Its totient is φ = 3227920.

The previous prime is 3227911. The next prime is 3227933. The reversal of 3227921 is 1297223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 130321 = 1760^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 3227921 - 2¹⁸ = 2965777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3227911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613960 + 1613961.

It is an arithmetic number, because the mean of its divisors is an integer number (1613961).

Almost surely, 2^3227921 is an apocalyptic number.

It is an amenable number.

3227921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3227921 is an equidigital number, since it uses as much as digits as its factorization.

3227921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 3227921 is about 1796.6415891880. The cubic root of 3227921 is about 147.7886104374.

The spelling of 3227921 in words is "three million, two hundred twenty-seven thousand, nine hundred twenty-one".