38555897 has 2 divisors, whose sum is σ = 38555898. Its totient is φ = 38555896.

The previous prime is 38555893. The next prime is 38555927. The reversal of 38555897 is 79855583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 561001 = 6164^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 38555897 - 2² = 38555893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38555893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19277948 + 19277949.

It is an arithmetic number, because the mean of its divisors is an integer number (19277949).

Almost surely, 2^38555897 is an apocalyptic number.

It is an amenable number.

38555897 is a deficient number, since it is larger than the sum of its proper divisors (1).

38555897 is an equidigital number, since it uses as much as digits as its factorization.

38555897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 50.

The square root of 38555897 is about 6209.3394978854. The cubic root of 38555897 is about 337.8290073795.

The spelling of 38555897 in words is "thirty-eight million, five hundred fifty-five thousand, eight hundred ninety-seven".