9897037 has 2 divisors, whose sum is σ = 9897038. Its totient is φ = 9897036.

The previous prime is 9897023. The next prime is 9897059. The reversal of 9897037 is 7307989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 447561 = 3074^2 + 669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9897037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9896984 and 9897002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9897637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948518 + 4948519.

It is an arithmetic number, because the mean of its divisors is an integer number (4948519).

Almost surely, 2^9897037 is an apocalyptic number.

It is an amenable number.

9897037 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897037 is an equidigital number, since it uses as much as digits as its factorization.

9897037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 9897037 is about 3145.9556576659. The cubic root of 9897037 is about 214.7014930808.

The spelling of 9897037 in words is "nine million, eight hundred ninety-seven thousand, thirty-seven".