3321949 has 2 divisors, whose sum is σ = 3321950. Its totient is φ = 3321948.

The previous prime is 3321947. The next prime is 3321973. The reversal of 3321949 is 9491233.

3321949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 777924 = 1595^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321949 - 2¹ = 3321947 is a prime.

It is a super-2 number, since 2×3321949² = 22070690317202, which contains 22 as substring.

Together with 3321947, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3321949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321947) 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, 1660974 + 1660975.

It is an arithmetic number, because the mean of its divisors is an integer number (1660975).

Almost surely, 2^3321949 is an apocalyptic number.

It is an amenable number.

3321949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321949 is an equidigital number, since it uses as much as digits as its factorization.

3321949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 3321949 is about 1822.6214637165. The cubic root of 3321949 is about 149.2099048977.

The spelling of 3321949 in words is "three million, three hundred twenty-one thousand, nine hundred forty-nine".