38895749 has 2 divisors, whose sum is σ = 38895750. Its totient is φ = 38895748.

The previous prime is 38895707. The next prime is 38895751. The reversal of 38895749 is 94759883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 13322500 = 5057^2 + 3650^2 .

It is an emirp because it is prime and its reverse (94759883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38895749 - 2¹² = 38891653 is a prime.

Together with 38895751, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38895749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38895449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19447874 + 19447875.

It is an arithmetic number, because the mean of its divisors is an integer number (19447875).

Almost surely, 2^38895749 is an apocalyptic number.

It is an amenable number.

38895749 is a deficient number, since it is larger than the sum of its proper divisors (1).

38895749 is an equidigital number, since it uses as much as digits as its factorization.

38895749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 38895749 is about 6236.6456529131. The cubic root of 38895749 is about 338.8187061249.

The spelling of 38895749 in words is "thirty-eight million, eight hundred ninety-five thousand, seven hundred forty-nine".