3939193 has 4 divisors (see below), whose sum is σ = 3951220. Its totient is φ = 3927168.

The previous prime is 3939191. The next prime is 3939203. The reversal of 3939193 is 3919393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2832489 + 1106704 = 1683^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 3939193 - 2¹ = 3939191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3939191) 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 in 3 ways as a sum of consecutive naturals, for example, 5508 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (987805).

Almost surely, 2^3939193 is an apocalyptic number.

It is an amenable number.

3939193 is a deficient number, since it is larger than the sum of its proper divisors (12027).

3939193 is a wasteful number, since it uses less digits than its factorization.

3939193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026.

The product of its digits is 19683, while the sum is 37.

The square root of 3939193 is about 1984.7400333545. The cubic root of 3939193 is about 157.9316186494.

The spelling of 3939193 in words is "three million, nine hundred thirty-nine thousand, one hundred ninety-three".