38516957 has 2 divisors, whose sum is σ = 38516958. Its totient is φ = 38516956.

The previous prime is 38516939. The next prime is 38516969. The reversal of 38516957 is 75961583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 151321 = 6194^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 38516957 - 2²⁰ = 37468381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38516977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19258478 + 19258479.

It is an arithmetic number, because the mean of its divisors is an integer number (19258479).

Almost surely, 2^38516957 is an apocalyptic number.

It is an amenable number.

38516957 is a deficient number, since it is larger than the sum of its proper divisors (1).

38516957 is an equidigital number, since it uses as much as digits as its factorization.

38516957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 38516957 is about 6206.2031065701. The cubic root of 38516957 is about 337.7152375564.

The spelling of 38516957 in words is "thirty-eight million, five hundred sixteen thousand, nine hundred fifty-seven".