38938787 has 2 divisors, whose sum is σ = 38938788. Its totient is φ = 38938786.

The previous prime is 38938741. The next prime is 38938813. The reversal of 38938787 is 78783983.

It is a strong prime.

It is an emirp because it is prime and its reverse (78783983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38938787 - 2⁶ = 38938723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38938717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19469393 + 19469394.

It is an arithmetic number, because the mean of its divisors is an integer number (19469394).

Almost surely, 2^38938787 is an apocalyptic number.

38938787 is a deficient number, since it is larger than the sum of its proper divisors (1).

38938787 is an equidigital number, since it uses as much as digits as its factorization.

38938787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 38938787 is about 6240.0951114546. The cubic root of 38938787 is about 338.9436272694.

The spelling of 38938787 in words is "thirty-eight million, nine hundred thirty-eight thousand, seven hundred eighty-seven".