3808157 has 2 divisors, whose sum is σ = 3808158. Its totient is φ = 3808156.

The previous prime is 3808141. The next prime is 3808159. The reversal of 3808157 is 7518083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2859481 + 948676 = 1691^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808157 - 2⁴ = 3808141 is a prime.

Together with 3808159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3808159) 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 as a sum of consecutive naturals, namely, 1904078 + 1904079.

It is an arithmetic number, because the mean of its divisors is an integer number (1904079).

Almost surely, 2^3808157 is an apocalyptic number.

It is an amenable number.

3808157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808157 is an equidigital number, since it uses as much as digits as its factorization.

3808157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 3808157 is about 1951.4499737375. The cubic root of 3808157 is about 156.1606524920.

The spelling of 3808157 in words is "three million, eight hundred eight thousand, one hundred fifty-seven".