38683849 has 2 divisors, whose sum is σ = 38683850. Its totient is φ = 38683848.

The previous prime is 38683847. The next prime is 38683859. The reversal of 38683849 is 94838683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 1863225 = 6068^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 38683849 - 2¹ = 38683847 is a prime.

Together with 38683847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38683847) 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, 19341924 + 19341925.

It is an arithmetic number, because the mean of its divisors is an integer number (19341925).

Almost surely, 2^38683849 is an apocalyptic number.

It is an amenable number.

38683849 is a deficient number, since it is larger than the sum of its proper divisors (1).

38683849 is an equidigital number, since it uses as much as digits as its factorization.

38683849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The square root of 38683849 is about 6219.6341532280. The cubic root of 38683849 is about 338.2023023602.

The spelling of 38683849 in words is "thirty-eight million, six hundred eighty-three thousand, eight hundred forty-nine".