38674613 has 2 divisors, whose sum is σ = 38674614. Its totient is φ = 38674612.

The previous prime is 38674607. The next prime is 38674637. The reversal of 38674613 is 31647683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 12439729 = 5122^2 + 3527^2 .

It is a cyclic number.

It is not a de Polignac number, because 38674613 - 2²⁴ = 21897397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38674663) 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, 19337306 + 19337307.

It is an arithmetic number, because the mean of its divisors is an integer number (19337307).

Almost surely, 2^38674613 is an apocalyptic number.

It is an amenable number.

38674613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38674613 is an equidigital number, since it uses as much as digits as its factorization.

38674613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 38674613 is about 6218.8916215030. The cubic root of 38674613 is about 338.1753842779.

The spelling of 38674613 in words is "thirty-eight million, six hundred seventy-four thousand, six hundred thirteen".