3857039 has 2 divisors, whose sum is σ = 3857040. Its totient is φ = 3857038.

The previous prime is 3857027. The next prime is 3857053. The reversal of 3857039 is 9307583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3857039 - 2⁴ = 3857023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3857339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928519 + 1928520.

It is an arithmetic number, because the mean of its divisors is an integer number (1928520).

Almost surely, 2^3857039 is an apocalyptic number.

3857039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3857039 is an equidigital number, since it uses as much as digits as its factorization.

3857039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3857039 is about 1963.9345712116. The cubic root of 3857039 is about 156.8259799856.

The spelling of 3857039 in words is "three million, eight hundred fifty-seven thousand, thirty-nine".