3504321 has 6 divisors (see below), whose sum is σ = 5061810. Its totient is φ = 2336208.

The previous prime is 3504317. The next prime is 3504373. The reversal of 3504321 is 1234053.

3504321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 318096 = 1785^2 + 564^2 .

It is not a de Polignac number, because 3504321 - 2² = 3504317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3504294 and 3504303.

It is not an unprimeable number, because it can be changed into a prime (3504821) 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 5 ways as a sum of consecutive naturals, for example, 194676 + ... + 194693.

It is an arithmetic number, because the mean of its divisors is an integer number (843635).

Almost surely, 2^3504321 is an apocalyptic number.

It is an amenable number.

3504321 is a deficient number, since it is larger than the sum of its proper divisors (1557489).

3504321 is a wasteful number, since it uses less digits than its factorization.

3504321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389375 (or 389372 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3504321 is about 1871.9831730013. The cubic root of 3504321 is about 151.8919043319.

Adding to 3504321 its reverse (1234053), we get a palindrome (4738374).

The spelling of 3504321 in words is "three million, five hundred four thousand, three hundred twenty-one".