3479321 has 2 divisors, whose sum is σ = 3479322. Its totient is φ = 3479320.

The previous prime is 3479303. The next prime is 3479323. The reversal of 3479321 is 1239743.

3479321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 1488400 = 1411^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479321 - 2¹⁴ = 3462937 is a prime.

Together with 3479323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3479323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739660 + 1739661.

It is an arithmetic number, because the mean of its divisors is an integer number (1739661).

Almost surely, 2^3479321 is an apocalyptic number.

It is an amenable number.

3479321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3479321 is an equidigital number, since it uses as much as digits as its factorization.

3479321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 3479321 is about 1865.2938106368. The cubic root of 3479321 is about 151.5298405060.

The spelling of 3479321 in words is "three million, four hundred seventy-nine thousand, three hundred twenty-one".