38372197 has 2 divisors, whose sum is σ = 38372198. Its totient is φ = 38372196.

The previous prime is 38372143. The next prime is 38372207. The reversal of 38372197 is 79127383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 6561 = 6194^2 + 81^2 .

It is a cyclic number.

It is not a de Polignac number, because 38372197 - 2¹¹ = 38370149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38372497) 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, 19186098 + 19186099.

It is an arithmetic number, because the mean of its divisors is an integer number (19186099).

Almost surely, 2^38372197 is an apocalyptic number.

It is an amenable number.

38372197 is a deficient number, since it is larger than the sum of its proper divisors (1).

38372197 is an equidigital number, since it uses as much as digits as its factorization.

38372197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 38372197 is about 6194.5296028028. The cubic root of 38372197 is about 337.2916229950.

The spelling of 38372197 in words is "thirty-eight million, three hundred seventy-two thousand, one hundred ninety-seven".