3887239 has 2 divisors, whose sum is σ = 3887240. Its totient is φ = 3887238.

The previous prime is 3887227. The next prime is 3887281. The reversal of 3887239 is 9327883.

It is a happy number.

3887239 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 is a cyclic number.

It is not a de Polignac number, because 3887239 - 2⁷ = 3887111 is a prime.

It is a super-2 number, since 2×3887239² = 30221254086242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3887839) 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, 1943619 + 1943620.

It is an arithmetic number, because the mean of its divisors is an integer number (1943620).

Almost surely, 2^3887239 is an apocalyptic number.

3887239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887239 is an equidigital number, since it uses as much as digits as its factorization.

3887239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 3887239 is about 1971.6082268037. The cubic root of 3887239 is about 157.2342238051.

The spelling of 3887239 in words is "three million, eight hundred eighty-seven thousand, two hundred thirty-nine".