3806399 has 8 divisors (see below), whose sum is σ = 3925152. Its totient is φ = 3688960.

The previous prime is 3806347. The next prime is 3806423. The reversal of 3806399 is 9936083.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3806399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806599) 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 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (490644).

Almost surely, 2^3806399 is an apocalyptic number.

3806399 is a deficient number, since it is larger than the sum of its proper divisors (118753).

3806399 is a wasteful number, since it uses less digits than its factorization.

3806399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3806399 is about 1950.9994874423. Note that the first 3 decimals coincide. The cubic root of 3806399 is about 156.1366187593.

The spelling of 3806399 in words is "three million, eight hundred six thousand, three hundred ninety-nine".