3228397 has 4 divisors (see below), whose sum is σ = 3303520. Its totient is φ = 3153276.

The previous prime is 3228373. The next prime is 3228403. The reversal of 3228397 is 7938223.

3228397 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7938223 = 107 ⋅74189.

It is not a de Polignac number, because 3228397 - 2¹⁹ = 2704109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228097) 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, 37497 + ... + 37582.

It is an arithmetic number, because the mean of its divisors is an integer number (825880).

Almost surely, 2^3228397 is an apocalyptic number.

It is an amenable number.

3228397 is a deficient number, since it is larger than the sum of its proper divisors (75123).

3228397 is an equidigital number, since it uses as much as digits as its factorization.

3228397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75122.

The product of its digits is 18144, while the sum is 34.

The square root of 3228397 is about 1796.7740536862. The cubic root of 3228397 is about 147.7958745475.

The spelling of 3228397 in words is "three million, two hundred twenty-eight thousand, three hundred ninety-seven".