38662693 has 2 divisors, whose sum is σ = 38662694. Its totient is φ = 38662692.

The previous prime is 38662691. The next prime is 38662697. The reversal of 38662693 is 39626683.

38662693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29408929 + 9253764 = 5423^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 38662693 - 2¹ = 38662691 is a prime.

Together with 38662691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38662691) 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, 19331346 + 19331347.

It is an arithmetic number, because the mean of its divisors is an integer number (19331347).

Almost surely, 2^38662693 is an apocalyptic number.

It is an amenable number.

38662693 is a deficient number, since it is larger than the sum of its proper divisors (1).

38662693 is an equidigital number, since it uses as much as digits as its factorization.

38662693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 38662693 is about 6217.9331775116. The cubic root of 38662693 is about 338.1406374118.

The spelling of 38662693 in words is "thirty-eight million, six hundred sixty-two thousand, six hundred ninety-three".