38448321 has 8 divisors (see below), whose sum is σ = 52456800. Its totient is φ = 25036032.

The previous prime is 38448317. The next prime is 38448323. The reversal of 38448321 is 12384483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38448321 - 2² = 38448317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38448323) 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 in 7 ways as a sum of consecutive naturals, for example, 148896 + ... + 149153.

It is an arithmetic number, because the mean of its divisors is an integer number (6557100).

Almost surely, 2^38448321 is an apocalyptic number.

It is an amenable number.

38448321 is a deficient number, since it is larger than the sum of its proper divisors (14008479).

38448321 is a wasteful number, since it uses less digits than its factorization.

38448321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298095.

The product of its digits is 18432, while the sum is 33.

The square root of 38448321 is about 6200.6710120760. The cubic root of 38448321 is about 337.5145189913.

The spelling of 38448321 in words is "thirty-eight million, four hundred forty-eight thousand, three hundred twenty-one".