3938593 has 2 divisors, whose sum is σ = 3938594. Its totient is φ = 3938592.

The previous prime is 3938549. The next prime is 3938603. The reversal of 3938593 is 3958393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 186624 = 1937^2 + 432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3938593 is a prime.

It is not a weakly prime, because it can be changed into another prime (3938513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969296 + 1969297.

It is an arithmetic number, because the mean of its divisors is an integer number (1969297).

Almost surely, 2^3938593 is an apocalyptic number.

It is an amenable number.

3938593 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938593 is an equidigital number, since it uses as much as digits as its factorization.

3938593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 3938593 is about 1984.5888743012. The cubic root of 3938593 is about 157.9235997665.

The spelling of 3938593 in words is "three million, nine hundred thirty-eight thousand, five hundred ninety-three".