3389521 has 2 divisors, whose sum is σ = 3389522. Its totient is φ = 3389520.

The previous prime is 3389513. The next prime is 3389527. The reversal of 3389521 is 1259833.

It is a happy number.

3389521 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., 2359296 + 1030225 = 1536^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3389521 - 2³ = 3389513 is a prime.

It is a super-2 number, since 2×3389521² = 22977705218882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3389527) 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, 1694760 + 1694761.

It is an arithmetic number, because the mean of its divisors is an integer number (1694761).

Almost surely, 2^3389521 is an apocalyptic number.

It is an amenable number.

3389521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3389521 is an equidigital number, since it uses as much as digits as its factorization.

3389521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3389521 is about 1841.0651808125. The cubic root of 3389521 is about 150.2148181335.

The spelling of 3389521 in words is "three million, three hundred eighty-nine thousand, five hundred twenty-one".