38448385 has 8 divisors (see below), whose sum is σ = 46405800. Its totient is φ = 30580224.

The previous prime is 38448383. The next prime is 38448391. The reversal of 38448385 is 58384483.

It can be written as a sum of positive squares in 4 ways, for example, as 18386944 + 20061441 = 4288^2 + 4479^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38448385 - 2¹ = 38448383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38448383) 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, 21360 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (5800725).

Almost surely, 2^38448385 is an apocalyptic number.

It is an amenable number.

38448385 is a deficient number, since it is larger than the sum of its proper divisors (7957415).

38448385 is a wasteful number, since it uses less digits than its factorization.

38448385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44627.

The product of its digits is 368640, while the sum is 43.

The square root of 38448385 is about 6200.6761728057. The cubic root of 38448385 is about 337.5147062636.

The spelling of 38448385 in words is "thirty-eight million, four hundred forty-eight thousand, three hundred eighty-five".