38893867 has 2 divisors, whose sum is σ = 38893868. Its totient is φ = 38893866.

The previous prime is 38893859. The next prime is 38893879. The reversal of 38893867 is 76839883.

It is a happy number.

38893867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76839883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38893867 - 2³ = 38893859 is a prime.

It is not a weakly prime, because it can be changed into another prime (38893837) 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, 19446933 + 19446934.

It is an arithmetic number, because the mean of its divisors is an integer number (19446934).

Almost surely, 2^38893867 is an apocalyptic number.

38893867 is a deficient number, since it is larger than the sum of its proper divisors (1).

38893867 is an equidigital number, since it uses as much as digits as its factorization.

38893867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 38893867 is about 6236.4947686982. The cubic root of 38893867 is about 338.8132413710.

The spelling of 38893867 in words is "thirty-eight million, eight hundred ninety-three thousand, eight hundred sixty-seven".