4067321 has 2 divisors, whose sum is σ = 4067322. Its totient is φ = 4067320.

The previous prime is 4067309. The next prime is 4067363. The reversal of 4067321 is 1237604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3748096 + 319225 = 1936^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 4067321 - 2⁶ = 4067257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4067381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033660 + 2033661.

It is an arithmetic number, because the mean of its divisors is an integer number (2033661).

Almost surely, 2^4067321 is an apocalyptic number.

It is an amenable number.

4067321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4067321 is an equidigital number, since it uses as much as digits as its factorization.

4067321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 4067321 is about 2016.7600253873. The cubic root of 4067321 is about 159.6257005783.

The spelling of 4067321 in words is "four million, sixty-seven thousand, three hundred twenty-one".