3808397 has 2 divisors, whose sum is σ = 3808398. Its totient is φ = 3808396.

The previous prime is 3808333. The next prime is 3808403. The reversal of 3808397 is 7938083.

3808397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 175561 = 1906^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808397 - 2⁶ = 3808333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3808397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3808307) 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 as a sum of consecutive naturals, namely, 1904198 + 1904199.

It is an arithmetic number, because the mean of its divisors is an integer number (1904199).

Almost surely, 2^3808397 is an apocalyptic number.

It is an amenable number.

3808397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808397 is an equidigital number, since it uses as much as digits as its factorization.

3808397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3808397 is about 1951.5114655056. The cubic root of 3808397 is about 156.1639329738.

The spelling of 3808397 in words is "three million, eight hundred eight thousand, three hundred ninety-seven".