38281384 has 32 divisors (see below), whose sum is σ = 76936320. Its totient is φ = 17810496.

The previous prime is 38281379. The next prime is 38281393. The reversal of 38281384 is 48318283.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3997 + ... + 9619.

It is an arithmetic number, because the mean of its divisors is an integer number (2404260).

Almost surely, 2^38281384 is an apocalyptic number.

It is an amenable number.

38281384 is an abundant number, since it is smaller than the sum of its proper divisors (38654936).

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

38281384 is a wasteful number, since it uses less digits than its factorization.

38281384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5685 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 38281384 is about 6187.1951642081. The cubic root of 38281384 is about 337.0253307131.

The spelling of 38281384 in words is "thirty-eight million, two hundred eighty-one thousand, three hundred eighty-four".