38318384 has 60 divisors (see below), whose sum is σ = 82780416. Its totient is φ = 17162496.

The previous prime is 38318381. The next prime is 38318389. The reversal of 38318384 is 48381383.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38318381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99857 + ... + 100239.

Almost surely, 2^38318384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38318384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41390208).

38318384 is an abundant number, since it is smaller than the sum of its proper divisors (44462032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38318384 is a wasteful number, since it uses less digits than its factorization.

38318384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 435 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 38318384 is about 6190.1844883654. The cubic root of 38318384 is about 337.1338771360.

The spelling of 38318384 in words is "thirty-eight million, three hundred eighteen thousand, three hundred eighty-four".