38049709 has 2 divisors, whose sum is σ = 38049710. Its totient is φ = 38049708.

The previous prime is 38049701. The next prime is 38049719. The reversal of 38049709 is 90794083.

38049709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 1447209 = 6050^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 38049709 - 2³ = 38049701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38049701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19024854 + 19024855.

It is an arithmetic number, because the mean of its divisors is an integer number (19024855).

Almost surely, 2^38049709 is an apocalyptic number.

It is an amenable number.

38049709 is a deficient number, since it is larger than the sum of its proper divisors (1).

38049709 is an equidigital number, since it uses as much as digits as its factorization.

38049709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 38049709 is about 6168.4446175677. Note that the first 3 decimals coincide. The cubic root of 38049709 is about 336.3440736769.

The spelling of 38049709 in words is "thirty-eight million, forty-nine thousand, seven hundred nine".