38973589 has 2 divisors, whose sum is σ = 38973590. Its totient is φ = 38973588.

The previous prime is 38973559. The next prime is 38973607. The reversal of 38973589 is 98537983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 11025 = 6242^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 38973589 - 2⁷ = 38973461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38973509) 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, 19486794 + 19486795.

It is an arithmetic number, because the mean of its divisors is an integer number (19486795).

Almost surely, 2^38973589 is an apocalyptic number.

It is an amenable number.

38973589 is a deficient number, since it is larger than the sum of its proper divisors (1).

38973589 is an equidigital number, since it uses as much as digits as its factorization.

38973589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 38973589 is about 6242.8830679422. The cubic root of 38973589 is about 339.0445754885.

The spelling of 38973589 in words is "thirty-eight million, nine hundred seventy-three thousand, five hundred eighty-nine".