38543449 has 12 divisors (see below), whose sum is σ = 45166800. Its totient is φ = 32793768.

The previous prime is 38543413. The next prime is 38543459. The reversal of 38543449 is 94434583.

It is a happy number.

It is not a de Polignac number, because 38543449 - 2¹³ = 38535257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38543459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3982 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (3763900).

Almost surely, 2^38543449 is an apocalyptic number.

It is an amenable number.

38543449 is a deficient number, since it is larger than the sum of its proper divisors (6623351).

38543449 is a wasteful number, since it uses less digits than its factorization.

38543449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5805 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 38543449 is about 6208.3370559273. The cubic root of 38543449 is about 337.7926467666.

It can be divided in two parts, 385 and 43449, that added together give a palindrome (43834).

The spelling of 38543449 in words is "thirty-eight million, five hundred forty-three thousand, four hundred forty-nine".