38897597 has 2 divisors, whose sum is σ = 38897598. Its totient is φ = 38897596.

The previous prime is 38897569. The next prime is 38897647. The reversal of 38897597 is 79579883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 383161 = 6206^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 38897597 - 2²² = 34703293 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 (38897527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19448798 + 19448799.

It is an arithmetic number, because the mean of its divisors is an integer number (19448799).

Almost surely, 2^38897597 is an apocalyptic number.

It is an amenable number.

38897597 is a deficient number, since it is larger than the sum of its proper divisors (1).

38897597 is an equidigital number, since it uses as much as digits as its factorization.

38897597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 38897597 is about 6236.7938077188. The cubic root of 38897597 is about 338.8240719817.

The spelling of 38897597 in words is "thirty-eight million, eight hundred ninety-seven thousand, five hundred ninety-seven".