3880139 has 2 divisors, whose sum is σ = 3880140. Its totient is φ = 3880138.

The previous prime is 3880127. The next prime is 3880147. The reversal of 3880139 is 9310883.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3880139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3880159) 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, 1940069 + 1940070.

It is an arithmetic number, because the mean of its divisors is an integer number (1940070).

Almost surely, 2^3880139 is an apocalyptic number.

3880139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3880139 is an equidigital number, since it uses as much as digits as its factorization.

3880139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3880139 is about 1969.8068433225. The cubic root of 3880139 is about 157.1384365935.

The spelling of 3880139 in words is "three million, eight hundred eighty thousand, one hundred thirty-nine".