3321245 has 16 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 2558400.

The previous prime is 3321233. The next prime is 3321251. The reversal of 3321245 is 5421233.

It is a happy number.

It is not a de Polignac number, because 3321245 - 2⁴ = 3321229 is a prime.

It is a super-2 number, since 2×3321245² = 22061336700050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21920 + ... + 22070.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3321245 is an apocalyptic number.

It is an amenable number.

3321245 is a deficient number, since it is larger than the sum of its proper divisors (815587).

3321245 is a wasteful number, since it uses less digits than its factorization.

3321245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its digits is 720, while the sum is 20.

The square root of 3321245 is about 1822.4283250652. The cubic root of 3321245 is about 149.1993637772.

Adding to 3321245 its reverse (5421233), we get a palindrome (8742478).

The spelling of 3321245 in words is "three million, three hundred twenty-one thousand, two hundred forty-five".