10898891 has 2 divisors, whose sum is σ = 10898892. Its totient is φ = 10898890.

The previous prime is 10898879. The next prime is 10898911. The reversal of 10898891 is 19889801.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19889801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10898891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10898821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5449445 + 5449446.

It is an arithmetic number, because the mean of its divisors is an integer number (5449446).

Almost surely, 2^10898891 is an apocalyptic number.

10898891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10898891 is an equidigital number, since it uses as much as digits as its factorization.

10898891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 44.

The square root of 10898891 is about 3301.3468463644. The cubic root of 10898891 is about 221.7145032782.

The spelling of 10898891 in words is "ten million, eight hundred ninety-eight thousand, eight hundred ninety-one".