38387369 has 2 divisors, whose sum is σ = 38387370. Its totient is φ = 38387368.

The previous prime is 38387341. The next prime is 38387383. The reversal of 38387369 is 96378383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 16297369 = 4700^2 + 4037^2 .

It is an emirp because it is prime and its reverse (96378383) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387369 is a prime.

It is a super-2 number, since 2×38387369² = 2947180197484322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38387339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193684 + 19193685.

It is an arithmetic number, because the mean of its divisors is an integer number (19193685).

Almost surely, 2^38387369 is an apocalyptic number.

It is an amenable number.

38387369 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387369 is an equidigital number, since it uses as much as digits as its factorization.

38387369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 38387369 is about 6195.7541106793. The cubic root of 38387369 is about 337.3360710989.

The spelling of 38387369 in words is "thirty-eight million, three hundred eighty-seven thousand, three hundred sixty-nine".