38384149 has 2 divisors, whose sum is σ = 38384150. Its totient is φ = 38384148.

The previous prime is 38384051. The next prime is 38384183. The reversal of 38384149 is 94148383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 15171025 = 4818^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 38384149 - 2²¹ = 36286997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38381149) 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, 19192074 + 19192075.

It is an arithmetic number, because the mean of its divisors is an integer number (19192075).

Almost surely, 2^38384149 is an apocalyptic number.

It is an amenable number.

38384149 is a deficient number, since it is larger than the sum of its proper divisors (1).

38384149 is an equidigital number, since it uses as much as digits as its factorization.

38384149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 38384149 is about 6195.4942498561. The cubic root of 38384149 is about 337.3266387209.

The spelling of 38384149 in words is "thirty-eight million, three hundred eighty-four thousand, one hundred forty-nine".