9926897 has 2 divisors, whose sum is σ = 9926898. Its totient is φ = 9926896.

The previous prime is 9926893. The next prime is 9926899. The reversal of 9926897 is 7986299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 1540081 = 2896^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 9926897 - 2² = 9926893 is a prime.

Together with 9926899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9926893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4963448 + 4963449.

It is an arithmetic number, because the mean of its divisors is an integer number (4963449).

Almost surely, 2^9926897 is an apocalyptic number.

It is an amenable number.

9926897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9926897 is an equidigital number, since it uses as much as digits as its factorization.

9926897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 9926897 is about 3150.6978592052. The cubic root of 9926897 is about 214.9171990514.

The spelling of 9926897 in words is "nine million, nine hundred twenty-six thousand, eight hundred ninety-seven".