3228420 has 48 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 794496.

The previous prime is 3228413. The next prime is 3228427. The reversal of 3228420 is 248223.

It is an interprime number because it is at equal distance from previous prime (3228413) and next prime (3228427).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3228427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

Almost surely, 2^3228420 is an apocalyptic number.

3228420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3228420 is an abundant number, since it is smaller than the sum of its proper divisors (6508860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3228420 is a wasteful number, since it uses less digits than its factorization.

3228420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3228420 is about 1796.7804540344. The cubic root of 3228420 is about 147.7962255264.

The spelling of 3228420 in words is "three million, two hundred twenty-eight thousand, four hundred twenty".