3881239 has 2 divisors, whose sum is σ = 3881240. Its totient is φ = 3881238.

The previous prime is 3881221. The next prime is 3881249. The reversal of 3881239 is 9321883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3881239 - 2¹⁷ = 3750167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940619 + 1940620.

It is an arithmetic number, because the mean of its divisors is an integer number (1940620).

Almost surely, 2^3881239 is an apocalyptic number.

3881239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881239 is an equidigital number, since it uses as much as digits as its factorization.

3881239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 3881239 is about 1970.0860387303. The cubic root of 3881239 is about 157.1532845107.

The spelling of 3881239 in words is "three million, eight hundred eighty-one thousand, two hundred thirty-nine".