38906423 has 2 divisors, whose sum is σ = 38906424. Its totient is φ = 38906422.

The previous prime is 38906419. The next prime is 38906437. The reversal of 38906423 is 32460983.

It is a happy number.

38906423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38906423 - 2² = 38906419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38906123) 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 as a sum of consecutive naturals, namely, 19453211 + 19453212.

It is an arithmetic number, because the mean of its divisors is an integer number (19453212).

Almost surely, 2^38906423 is an apocalyptic number.

38906423 is a deficient number, since it is larger than the sum of its proper divisors (1).

38906423 is an equidigital number, since it uses as much as digits as its factorization.

38906423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 38906423 is about 6237.5013426852. The cubic root of 38906423 is about 338.8496968303.

The spelling of 38906423 in words is "thirty-eight million, nine hundred six thousand, four hundred twenty-three".