38966951 has 2 divisors, whose sum is σ = 38966952. Its totient is φ = 38966950.

The previous prime is 38966903. The next prime is 38966953. The reversal of 38966951 is 15966983.

38966951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15966983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38966951 - 2¹⁸ = 38704807 is a prime.

Together with 38966953, 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 = 38966896 and 38966905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38966953) 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, 19483475 + 19483476.

It is an arithmetic number, because the mean of its divisors is an integer number (19483476).

Almost surely, 2^38966951 is an apocalyptic number.

38966951 is a deficient number, since it is larger than the sum of its proper divisors (1).

38966951 is an equidigital number, since it uses as much as digits as its factorization.

38966951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 38966951 is about 6242.3513999133. The cubic root of 38966951 is about 339.0253256518.

The spelling of 38966951 in words is "thirty-eight million, nine hundred sixty-six thousand, nine hundred fifty-one".