9701897 has 4 divisors (see below), whose sum is σ = 9709380. Its totient is φ = 9694416.

The previous prime is 9701891. The next prime is 9701927. The reversal of 9701897 is 7981079.

9701897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7981079 = 307 ⋅25997.

It can be written as a sum of positive squares in 2 ways, for example, as 5973136 + 3728761 = 2444^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9701897 - 2⁶ = 9701833 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9701891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (2427345).

Almost surely, 2^9701897 is an apocalyptic number.

It is an amenable number.

9701897 is a deficient number, since it is larger than the sum of its proper divisors (7483).

9701897 is a wasteful number, since it uses less digits than its factorization.

9701897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 9701897 is about 3114.7868305873. The cubic root of 9701897 is about 213.2810253156.

The spelling of 9701897 in words is "nine million, seven hundred one thousand, eight hundred ninety-seven".