38288409 has 8 divisors (see below), whose sum is σ = 52137600. Its totient is φ = 24982416.

The previous prime is 38288407. The next prime is 38288417. The reversal of 38288409 is 90488283.

It is a happy number.

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

It is not a de Polignac number, because 38288409 - 2¹ = 38288407 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38288407) 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, 135634 + ... + 135915.

It is an arithmetic number, because the mean of its divisors is an integer number (6517200).

Almost surely, 2^38288409 is an apocalyptic number.

It is an amenable number.

38288409 is a deficient number, since it is larger than the sum of its proper divisors (13849191).

38288409 is a wasteful number, since it uses less digits than its factorization.

38288409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271599.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 38288409 is about 6187.7628429021. The cubic root of 38288409 is about 337.0459452424.

The spelling of 38288409 in words is "thirty-eight million, two hundred eighty-eight thousand, four hundred nine".