9897319 has 2 divisors, whose sum is σ = 9897320. Its totient is φ = 9897318.

The previous prime is 9897313. The next prime is 9897343. The reversal of 9897319 is 9137989.

9897319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9897319 - 2⁵ = 9897287 is a prime.

It is a super-2 number, since 2×9897319² = 195913846775522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9897313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948659 + 4948660.

It is an arithmetic number, because the mean of its divisors is an integer number (4948660).

Almost surely, 2^9897319 is an apocalyptic number.

9897319 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897319 is an equidigital number, since it uses as much as digits as its factorization.

9897319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 46.

The square root of 9897319 is about 3146.0004767959. Note that the first 3 decimals coincide. The cubic root of 9897319 is about 214.7035322516.

The spelling of 9897319 in words is "nine million, eight hundred ninety-seven thousand, three hundred nineteen".