38676689 has 2 divisors, whose sum is σ = 38676690. Its totient is φ = 38676688.

The previous prime is 38676667. The next prime is 38676721. The reversal of 38676689 is 98667683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 25600 = 6217^2 + 160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38676689 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38676689.

It is not a weakly prime, because it can be changed into another prime (38676619) 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, 19338344 + 19338345.

It is an arithmetic number, because the mean of its divisors is an integer number (19338345).

Almost surely, 2^38676689 is an apocalyptic number.

It is an amenable number.

38676689 is a deficient number, since it is larger than the sum of its proper divisors (1).

38676689 is an equidigital number, since it uses as much as digits as its factorization.

38676689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 38676689 is about 6219.0585300349. The cubic root of 38676689 is about 338.1814350993.

The spelling of 38676689 in words is "thirty-eight million, six hundred seventy-six thousand, six hundred eighty-nine".