38242449 has 20 divisors (see below), whose sum is σ = 65289664. Its totient is φ = 21852504.

The previous prime is 38242447. The next prime is 38242453. The reversal of 38242449 is 94424283.

It is not a de Polignac number, because 38242449 - 2¹ = 38242447 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 (38242441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33157 + ... + 34290.

Almost surely, 2^38242449 is an apocalyptic number.

It is an amenable number.

38242449 is a deficient number, since it is larger than the sum of its proper divisors (27047215).

38242449 is an equidigital number, since it uses as much as digits as its factorization.

38242449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67466 (or 67457 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 38242449 is about 6184.0479461272. The cubic root of 38242449 is about 336.9110320549.

The spelling of 38242449 in words is "thirty-eight million, two hundred forty-two thousand, four hundred forty-nine".