38980993 has 2 divisors, whose sum is σ = 38980994. Its totient is φ = 38980992.

The previous prime is 38980979. The next prime is 38981003. The reversal of 38980993 is 39908983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 16056049 = 4788^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 38980993 - 2⁹ = 38980481 is a prime.

It is not a weakly prime, because it can be changed into another prime (38980093) 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, 19490496 + 19490497.

It is an arithmetic number, because the mean of its divisors is an integer number (19490497).

Almost surely, 2^38980993 is an apocalyptic number.

It is an amenable number.

38980993 is a deficient number, since it is larger than the sum of its proper divisors (1).

38980993 is an equidigital number, since it uses as much as digits as its factorization.

38980993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 38980993 is about 6243.4760350305. The cubic root of 38980993 is about 339.0660441049.

The spelling of 38980993 in words is "thirty-eight million, nine hundred eighty thousand, nine hundred ninety-three".