38675591 has 2 divisors, whose sum is σ = 38675592. Its totient is φ = 38675590.

The previous prime is 38675563. The next prime is 38675603. The reversal of 38675591 is 19557683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38675591 - 2¹⁸ = 38413447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38675551) 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, 19337795 + 19337796.

It is an arithmetic number, because the mean of its divisors is an integer number (19337796).

Almost surely, 2^38675591 is an apocalyptic number.

38675591 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675591 is an equidigital number, since it uses as much as digits as its factorization.

38675591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 38675591 is about 6218.9702523810. The cubic root of 38675591 is about 338.1782348364.

The spelling of 38675591 in words is "thirty-eight million, six hundred seventy-five thousand, five hundred ninety-one".