3806393 has 4 divisors (see below), whose sum is σ = 3818868. Its totient is φ = 3793920.

The previous prime is 3806347. The next prime is 3806423. The reversal of 3806393 is 3936083.

It is a happy number.

3806393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3936083 = 29 ⋅135727.

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 3489424 = 563^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806393 - 2¹⁰ = 3805369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5768 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (954717).

Almost surely, 2^3806393 is an apocalyptic number.

It is an amenable number.

3806393 is a deficient number, since it is larger than the sum of its proper divisors (12475).

3806393 is a wasteful number, since it uses less digits than its factorization.

3806393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12474.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3806393 is about 1950.9979497683. The cubic root of 3806393 is about 156.1365367202.

The spelling of 3806393 in words is "three million, eight hundred six thousand, three hundred ninety-three".