3228681 has 16 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 2060160.

The previous prime is 3228661. The next prime is 3228683. The reversal of 3228681 is 1868223.

It is not a de Polignac number, because 3228681 - 2¹⁹ = 2704393 is a prime.

It is a super-2 number, since 2×3228681² = 20848761999522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3228683) 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, 13741 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^3228681 is an apocalyptic number.

3228681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3228681 is a deficient number, since it is larger than the sum of its proper divisors (1264119).

3228681 is a wasteful number, since it uses less digits than its factorization.

3228681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 4608, while the sum is 30.

The square root of 3228681 is about 1796.8530824750. The cubic root of 3228681 is about 147.8002082564.

The spelling of 3228681 in words is "three million, two hundred twenty-eight thousand, six hundred eighty-one".