38687133 has 8 divisors (see below), whose sum is σ = 51649696. Its totient is φ = 25758000.

The previous prime is 38687123. The next prime is 38687137. The reversal of 38687133 is 33178683.

38687133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38687133 - 2⁶ = 38687069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38687091 and 38687100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38687137) 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 7 ways as a sum of consecutive naturals, for example, 5518 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (6456212).

Almost surely, 2^38687133 is an apocalyptic number.

It is an amenable number.

38687133 is a deficient number, since it is larger than the sum of its proper divisors (12962563).

38687133 is a wasteful number, since it uses less digits than its factorization.

38687133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715.

The product of its digits is 72576, while the sum is 39.

The square root of 38687133 is about 6219.8981502915. The cubic root of 38687133 is about 338.2118724604.

The spelling of 38687133 in words is "thirty-eight million, six hundred eighty-seven thousand, one hundred thirty-three".