38636047 has 2 divisors, whose sum is σ = 38636048. Its totient is φ = 38636046.

The previous prime is 38636041. The next prime is 38636069. The reversal of 38636047 is 74063683.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38636047 - 2²³ = 30247439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38635997 and 38636015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38636041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19318023 + 19318024.

It is an arithmetic number, because the mean of its divisors is an integer number (19318024).

Almost surely, 2^38636047 is an apocalyptic number.

38636047 is a deficient number, since it is larger than the sum of its proper divisors (1).

38636047 is an equidigital number, since it uses as much as digits as its factorization.

38636047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 38636047 is about 6215.7901348099. The cubic root of 38636047 is about 338.0629383397.

The spelling of 38636047 in words is "thirty-eight million, six hundred thirty-six thousand, forty-seven".