38423647 has 2 divisors, whose sum is σ = 38423648. Its totient is φ = 38423646.

The previous prime is 38423633. The next prime is 38423669. The reversal of 38423647 is 74632483.

It is a happy number.

38423647 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 38423647 - 2¹¹ = 38421599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38423617) 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, 19211823 + 19211824.

It is an arithmetic number, because the mean of its divisors is an integer number (19211824).

Almost surely, 2^38423647 is an apocalyptic number.

38423647 is a deficient number, since it is larger than the sum of its proper divisors (1).

38423647 is an equidigital number, since it uses as much as digits as its factorization.

38423647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 38423647 is about 6198.6810693889. The cubic root of 38423647 is about 337.4423041749.

The spelling of 38423647 in words is "thirty-eight million, four hundred twenty-three thousand, six hundred forty-seven".