38057449 has 2 divisors, whose sum is σ = 38057450. Its totient is φ = 38057448.

The previous prime is 38057447. The next prime is 38057489. The reversal of 38057449 is 94475083.

38057449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (38057489) can be obtained adding 38057449 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38044224 + 13225 = 6168^2 + 115^2 .

It is an emirp because it is prime and its reverse (94475083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38057449 - 2¹ = 38057447 is a prime.

Together with 38057447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38057447) 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, 19028724 + 19028725.

It is an arithmetic number, because the mean of its divisors is an integer number (19028725).

Almost surely, 2^38057449 is an apocalyptic number.

It is an amenable number.

38057449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38057449 is an equidigital number, since it uses as much as digits as its factorization.

38057449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 38057449 is about 6169.0719723472. The cubic root of 38057449 is about 336.3668782896.

The spelling of 38057449 in words is "thirty-eight million, fifty-seven thousand, four hundred forty-nine".