38384387 has 2 divisors, whose sum is σ = 38384388. Its totient is φ = 38384386.

The previous prime is 38384347. The next prime is 38384393. The reversal of 38384387 is 78348383.

It is a strong prime.

It is an emirp because it is prime and its reverse (78348383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38384387 - 2¹² = 38380291 is a prime.

It is a super-2 number, since 2×38384387² = 2946722330731538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38384327) 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, 19192193 + 19192194.

It is an arithmetic number, because the mean of its divisors is an integer number (19192194).

Almost surely, 2^38384387 is an apocalyptic number.

38384387 is a deficient number, since it is larger than the sum of its proper divisors (1).

38384387 is an equidigital number, since it uses as much as digits as its factorization.

38384387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 38384387 is about 6195.5134573335. The cubic root of 38384387 is about 337.3273359147.

The spelling of 38384387 in words is "thirty-eight million, three hundred eighty-four thousand, three hundred eighty-seven".