10840897 has 4 divisors (see below), whose sum is σ = 10847700. Its totient is φ = 10834096.

The previous prime is 10840877. The next prime is 10840909. The reversal of 10840897 is 79804801.

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: 79804801 = 227 ⋅351563.

It can be written as a sum of positive squares in 2 ways, for example, as 5683456 + 5157441 = 2384^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 10840897 - 2¹⁵ = 10808129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10840807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (2711925).

Almost surely, 2^10840897 is an apocalyptic number.

It is an amenable number.

10840897 is a deficient number, since it is larger than the sum of its proper divisors (6803).

10840897 is an equidigital number, since it uses as much as digits as its factorization.

10840897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10840897 is about 3292.5517459867. The cubic root of 10840897 is about 221.3205492830.

Adding to 10840897 its product of nonzero digits (16128), we get a square (10857025 = 3295²).

The spelling of 10840897 in words is "ten million, eight hundred forty thousand, eight hundred ninety-seven".