3228629 has 4 divisors (see below), whose sum is σ = 3233376. Its totient is φ = 3223884.

The previous prime is 3228593. The next prime is 3228661. The reversal of 3228629 is 9268223.

3228629 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: 9268223 = 281 ⋅32983.

It is a cyclic number.

It is not a de Polignac number, because 3228629 - 2⁸ = 3228373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3228595 and 3228604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228829) 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, 1139 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (808344).

Almost surely, 2^3228629 is an apocalyptic number.

It is an amenable number.

3228629 is a deficient number, since it is larger than the sum of its proper divisors (4747).

3228629 is an equidigital number, since it uses as much as digits as its factorization.

3228629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746.

The product of its digits is 10368, while the sum is 32.

The square root of 3228629 is about 1796.8386126751. The cubic root of 3228629 is about 147.7994147794.

The spelling of 3228629 in words is "three million, two hundred twenty-eight thousand, six hundred twenty-nine".