38917141 has 2 divisors, whose sum is σ = 38917142. Its totient is φ = 38917140.

The previous prime is 38917133. The next prime is 38917147. The reversal of 38917141 is 14171983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 848241 = 6170^2 + 921^2 .

It is a cyclic number.

It is not a de Polignac number, because 38917141 - 2³ = 38917133 is a prime.

It is a super-2 number, since 2×38917141² = 3029087727227762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38917097 and 38917106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38917147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19458570 + 19458571.

It is an arithmetic number, because the mean of its divisors is an integer number (19458571).

Almost surely, 2^38917141 is an apocalyptic number.

It is an amenable number.

38917141 is a deficient number, since it is larger than the sum of its proper divisors (1).

38917141 is an equidigital number, since it uses as much as digits as its factorization.

38917141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 38917141 is about 6238.3604416545. The cubic root of 38917141 is about 338.8808095817.

The spelling of 38917141 in words is "thirty-eight million, nine hundred seventeen thousand, one hundred forty-one".