38683663 has 2 divisors, whose sum is σ = 38683664. Its totient is φ = 38683662.

The previous prime is 38683661. The next prime is 38683681. The reversal of 38683663 is 36638683.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38683663 - 2¹ = 38683661 is a prime.

Together with 38683661, 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 (38683661) 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, 19341831 + 19341832.

It is an arithmetic number, because the mean of its divisors is an integer number (19341832).

Almost surely, 2^38683663 is an apocalyptic number.

38683663 is a deficient number, since it is larger than the sum of its proper divisors (1).

38683663 is an equidigital number, since it uses as much as digits as its factorization.

38683663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 43.

The square root of 38683663 is about 6219.6192005620. The cubic root of 38683663 is about 338.2017603103.

The spelling of 38683663 in words is "thirty-eight million, six hundred eighty-three thousand, six hundred sixty-three".