9140897 has 4 divisors (see below), whose sum is σ = 9353520. Its totient is φ = 8928276.

The previous prime is 9140893. The next prime is 9140899. The reversal of 9140897 is 7980419.

9140897 is digitally balanced in base 2, 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7980419 = 37 ⋅215687.

It is a cyclic number.

It is not a de Polignac number, because 9140897 - 2² = 9140893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9140897.

It is not an unprimeable number, because it can be changed into a prime (9140893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106247 + ... + 106332.

It is an arithmetic number, because the mean of its divisors is an integer number (2338380).

Almost surely, 2^9140897 is an apocalyptic number.

It is an amenable number.

9140897 is a deficient number, since it is larger than the sum of its proper divisors (212623).

9140897 is a wasteful number, since it uses less digits than its factorization.

9140897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212622.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 9140897 is about 3023.3916385411. The cubic root of 9140897 is about 209.0882391078.

The spelling of 9140897 in words is "nine million, one hundred forty thousand, eight hundred ninety-seven".