3864193 has 2 divisors, whose sum is σ = 3864194. Its totient is φ = 3864192.

The previous prime is 3864191. The next prime is 3864197. The reversal of 3864193 is 3914683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 223729 = 1908^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 3864193 - 2¹ = 3864191 is a prime.

Together with 3864191, it forms a pair of twin primes.

3864193 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3864191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932096 + 1932097.

It is an arithmetic number, because the mean of its divisors is an integer number (1932097).

Almost surely, 2^3864193 is an apocalyptic number.

It is an amenable number.

3864193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864193 is an equidigital number, since it uses as much as digits as its factorization.

3864193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 3864193 is about 1965.7550712131. The cubic root of 3864193 is about 156.9228798894.

The spelling of 3864193 in words is "three million, eight hundred sixty-four thousand, one hundred ninety-three".