38328613 has 2 divisors, whose sum is σ = 38328614. Its totient is φ = 38328612.

The previous prime is 38328607. The next prime is 38328637. The reversal of 38328613 is 31682383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20629764 + 17698849 = 4542^2 + 4207^2 .

It is a cyclic number.

It is not a de Polignac number, because 38328613 - 2²⁵ = 4774181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38328673) 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, 19164306 + 19164307.

It is an arithmetic number, because the mean of its divisors is an integer number (19164307).

Almost surely, 2^38328613 is an apocalyptic number.

It is an amenable number.

38328613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38328613 is an equidigital number, since it uses as much as digits as its factorization.

38328613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 38328613 is about 6191.0106606272. The cubic root of 38328613 is about 337.1638734915.

The spelling of 38328613 in words is "thirty-eight million, three hundred twenty-eight thousand, six hundred thirteen".