38706047 has 2 divisors, whose sum is σ = 38706048. Its totient is φ = 38706046.

The previous prime is 38706037. The next prime is 38706049. The reversal of 38706047 is 74060783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38706047 - 2¹⁸ = 38443903 is a prime.

It is a super-3 number, since 3×38706047³ (a number of 24 digits) contains 333 as substring.

Together with 38706049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38705998 and 38706016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38706049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19353023 + 19353024.

It is an arithmetic number, because the mean of its divisors is an integer number (19353024).

Almost surely, 2^38706047 is an apocalyptic number.

38706047 is a deficient number, since it is larger than the sum of its proper divisors (1).

38706047 is an equidigital number, since it uses as much as digits as its factorization.

38706047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 38706047 is about 6221.4184074052. The cubic root of 38706047 is about 338.2669803362.

The spelling of 38706047 in words is "thirty-eight million, seven hundred six thousand, forty-seven".