3369521 has 4 divisors (see below), whose sum is σ = 3389172. Its totient is φ = 3349872.

The previous prime is 3369511. The next prime is 3369529. The reversal of 3369521 is 1259633.

3369521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1259633 = 283 ⋅4451.

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 600625 = 1664^2 + 775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3369521 is a prime.

It is a super-2 number, since 2×3369521² = 22707343538882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3369529) 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 in 3 ways as a sum of consecutive naturals, for example, 9566 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (847293).

Almost surely, 2^3369521 is an apocalyptic number.

It is an amenable number.

3369521 is a deficient number, since it is larger than the sum of its proper divisors (19651).

3369521 is a wasteful number, since it uses less digits than its factorization.

3369521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19650.

The product of its digits is 4860, while the sum is 29.

The square root of 3369521 is about 1835.6255064691. The cubic root of 3369521 is about 149.9187856658.

The spelling of 3369521 in words is "three million, three hundred sixty-nine thousand, five hundred twenty-one".