38654689 has 2 divisors, whose sum is σ = 38654690. Its totient is φ = 38654688.

The previous prime is 38654657. The next prime is 38654711. The reversal of 38654689 is 98645683.

It is a happy number.

38654689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 3600 = 6217^2 + 60^2 .

It is an emirp because it is prime and its reverse (98645683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38654689 - 2⁵ = 38654657 is a prime.

It is not a weakly prime, because it can be changed into another prime (38654639) 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, 19327344 + 19327345.

It is an arithmetic number, because the mean of its divisors is an integer number (19327345).

Almost surely, 2^38654689 is an apocalyptic number.

It is an amenable number.

38654689 is a deficient number, since it is larger than the sum of its proper divisors (1).

38654689 is an equidigital number, since it uses as much as digits as its factorization.

38654689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The square root of 38654689 is about 6217.2895219702. The cubic root of 38654689 is about 338.1173016995.

The spelling of 38654689 in words is "thirty-eight million, six hundred fifty-four thousand, six hundred eighty-nine".