38386386 has 40 divisors (see below), whose sum is σ = 86498544. Its totient is φ = 12723480.

The previous prime is 38386331. The next prime is 38386417. The reversal of 38386386 is 68368383.

It is a happy number.

38386386 is a `hidden beast` number, since 3 + 8 + 3 + 8 + 638 + 6 = 666.

38386386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 33621 + ... + 34743.

Almost surely, 2^38386386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38386386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43249272).

38386386 is an abundant number, since it is smaller than the sum of its proper divisors (48112158).

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

38386386 is a wasteful number, since it uses less digits than its factorization.

38386386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1339 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 38386386 is about 6195.6747816521. The cubic root of 38386386 is about 337.3331916431. Note that the first 3 decimals are identical.

The spelling of 38386386 in words is "thirty-eight million, three hundred eighty-six thousand, three hundred eighty-six".