3608321 has 4 divisors (see below), whose sum is σ = 3621444. Its totient is φ = 3595200.

The previous prime is 3608299. The next prime is 3608323. The reversal of 3608321 is 1238063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 1537600 = 1439^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3608321 - 2⁶ = 3608257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3608323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (905361).

Almost surely, 2^3608321 is an apocalyptic number.

It is an amenable number.

3608321 is a deficient number, since it is larger than the sum of its proper divisors (13123).

3608321 is a wasteful number, since it uses less digits than its factorization.

3608321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3608321 is about 1899.5581065079. The cubic root of 3608321 is about 153.3798782242.

The spelling of 3608321 in words is "three million, six hundred eight thousand, three hundred twenty-one".