3238681 has 2 divisors, whose sum is σ = 3238682. Its totient is φ = 3238680.

The previous prime is 3238679. The next prime is 3238727. The reversal of 3238681 is 1868323.

3238681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 549081 = 1640^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3238681 - 2¹ = 3238679 is a prime.

It is a super-2 number, since 2×3238681² = 20978109239522, which contains 22 as substring.

Together with 3238679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3238661) 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 as a sum of consecutive naturals, namely, 1619340 + 1619341.

It is an arithmetic number, because the mean of its divisors is an integer number (1619341).

Almost surely, 2^3238681 is an apocalyptic number.

It is an amenable number.

3238681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3238681 is an equidigital number, since it uses as much as digits as its factorization.

3238681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 3238681 is about 1799.6335738144. The cubic root of 3238681 is about 147.9526418966.

The spelling of 3238681 in words is "three million, two hundred thirty-eight thousand, six hundred eighty-one".