38387284 has 12 divisors (see below), whose sum is σ = 72345364. Its totient is φ = 17717184.

The previous prime is 38387281. The next prime is 38387291. The reversal of 38387284 is 48278383.

38387284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14592400 + 23794884 = 3820^2 + 4878^2 .

It is a super-3 number, since 3×38387284³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38387284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369057 + ... + 369160.

Almost surely, 2^38387284 is an apocalyptic number.

It is an amenable number.

38387284 is a deficient number, since it is larger than the sum of its proper divisors (33958080).

38387284 is a wasteful number, since it uses less digits than its factorization.

38387284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738234 (or 738232 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 38387284 is about 6195.7472511393. The cubic root of 38387284 is about 337.3358221143.

The spelling of 38387284 in words is "thirty-eight million, three hundred eighty-seven thousand, two hundred eighty-four".