38674637 has 2 divisors, whose sum is σ = 38674638. Its totient is φ = 38674636.

The previous prime is 38674613. The next prime is 38674651. The reversal of 38674637 is 73647683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 15768841 = 4786^2 + 3971^2 .

It is a cyclic number.

It is not a de Polignac number, because 38674637 - 2⁸ = 38674381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38674607) 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, 19337318 + 19337319.

It is an arithmetic number, because the mean of its divisors is an integer number (19337319).

Almost surely, 2^38674637 is an apocalyptic number.

It is an amenable number.

38674637 is a deficient number, since it is larger than the sum of its proper divisors (1).

38674637 is an equidigital number, since it uses as much as digits as its factorization.

38674637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 38674637 is about 6218.8935511070. The cubic root of 38674637 is about 338.1754542308.

The spelling of 38674637 in words is "thirty-eight million, six hundred seventy-four thousand, six hundred thirty-seven".