38806133 has 2 divisors, whose sum is σ = 38806134. Its totient is φ = 38806132.

The previous prime is 38806099. The next prime is 38806171. The reversal of 38806133 is 33160883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 1620529 = 6098^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 38806133 - 2²⁰ = 37757557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38806133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38806433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19403066 + 19403067.

It is an arithmetic number, because the mean of its divisors is an integer number (19403067).

Almost surely, 2^38806133 is an apocalyptic number.

It is an amenable number.

38806133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38806133 is an equidigital number, since it uses as much as digits as its factorization.

38806133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38806133 is about 6229.4568784124. The cubic root of 38806133 is about 338.5582926940.

The spelling of 38806133 in words is "thirty-eight million, eight hundred six thousand, one hundred thirty-three".