3861593 has 2 divisors, whose sum is σ = 3861594. Its totient is φ = 3861592.

The previous prime is 3861589. The next prime is 3861607. The reversal of 3861593 is 3951683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 753424 = 1763^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861593 - 2² = 3861589 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861563) 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, 1930796 + 1930797.

It is an arithmetic number, because the mean of its divisors is an integer number (1930797).

Almost surely, 2^3861593 is an apocalyptic number.

It is an amenable number.

3861593 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861593 is an equidigital number, since it uses as much as digits as its factorization.

3861593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 3861593 is about 1965.0936364459. The cubic root of 3861593 is about 156.8876771076.

The spelling of 3861593 in words is "three million, eight hundred sixty-one thousand, five hundred ninety-three".