38448447 has 8 divisors (see below), whose sum is σ = 52515120. Its totient is φ = 25007040.

The previous prime is 38448437. The next prime is 38448451. The reversal of 38448447 is 74484483.

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

It is not a de Polignac number, because 38448447 - 2⁶ = 38448383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38448399 and 38448408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38448427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156172 + ... + 156417.

It is an arithmetic number, because the mean of its divisors is an integer number (6564390).

Almost surely, 2^38448447 is an apocalyptic number.

38448447 is a deficient number, since it is larger than the sum of its proper divisors (14066673).

38448447 is a wasteful number, since it uses less digits than its factorization.

38448447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312633.

The product of its digits is 344064, while the sum is 42.

The square root of 38448447 is about 6200.6811722584. The cubic root of 38448447 is about 337.5148876835.

The spelling of 38448447 in words is "thirty-eight million, four hundred forty-eight thousand, four hundred forty-seven".