38624197 has 2 divisors, whose sum is σ = 38624198. Its totient is φ = 38624196.

The previous prime is 38624167. The next prime is 38624203. The reversal of 38624197 is 79142683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24591681 + 14032516 = 4959^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 38624197 - 2¹⁵ = 38591429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38624147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19312098 + 19312099.

It is an arithmetic number, because the mean of its divisors is an integer number (19312099).

Almost surely, 2^38624197 is an apocalyptic number.

It is an amenable number.

38624197 is a deficient number, since it is larger than the sum of its proper divisors (1).

38624197 is an equidigital number, since it uses as much as digits as its factorization.

38624197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 38624197 is about 6214.8368441979. The cubic root of 38624197 is about 338.0283725585.

The spelling of 38624197 in words is "thirty-eight million, six hundred twenty-four thousand, one hundred ninety-seven".