3445321 has 4 divisors (see below), whose sum is σ = 3758544. Its totient is φ = 3132100.

The previous prime is 3445303. The next prime is 3445357. The reversal of 3445321 is 1235443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3445321 - 2⁹ = 3444809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3445292 and 3445301.

It is not an unprimeable number, because it can be changed into a prime (3445301) 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, 156595 + ... + 156616.

It is an arithmetic number, because the mean of its divisors is an integer number (939636).

Almost surely, 2^3445321 is an apocalyptic number.

It is an amenable number.

3445321 is a deficient number, since it is larger than the sum of its proper divisors (313223).

3445321 is a wasteful number, since it uses less digits than its factorization.

3445321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313222.

The product of its digits is 1440, while the sum is 22.

The square root of 3445321 is about 1856.1575902924. The cubic root of 3445321 is about 151.0346396562.

It can be divided in two parts, 344 and 5321, that added together give a palindrome (5665).

The spelling of 3445321 in words is "three million, four hundred forty-five thousand, three hundred twenty-one".