38448549 has 12 divisors (see below), whose sum is σ = 55591276. Its totient is φ = 25607232.

The previous prime is 38448547. The next prime is 38448581. The reversal of 38448549 is 94584483.

It is a happy number.

38448549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 20657025 = 4218^2 + 4545^2 .

It is not a de Polignac number, because 38448549 - 2¹ = 38448547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38448547) 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 in 11 ways as a sum of consecutive naturals, for example, 14559 + ... + 16995.

Almost surely, 2^38448549 is an apocalyptic number.

It is an amenable number.

38448549 is a deficient number, since it is larger than the sum of its proper divisors (17142727).

38448549 is a wasteful number, since it uses less digits than its factorization.

38448549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4193 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 38448549 is about 6200.6893971558. The cubic root of 38448549 is about 337.5151861479.

The spelling of 38448549 in words is "thirty-eight million, four hundred forty-eight thousand, five hundred forty-nine".