1096097891 has 16 divisors (see below), whose sum is σ = 1297520640. Its totient is φ = 905966880.

The previous prime is 1096097843. The next prime is 1096097909. The reversal of 1096097891 is 1987906901.

It is not a de Polignac number, because 1096097891 - 2¹⁴ = 1096081507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1096097791) 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 15 ways as a sum of consecutive naturals, for example, 181970 + ... + 187896.

It is an arithmetic number, because the mean of its divisors is an integer number (81095040).

Almost surely, 2^1096097891 is an apocalyptic number.

1096097891 is a deficient number, since it is larger than the sum of its proper divisors (201422749).

1096097891 is an equidigital number, since it uses as much as digits as its factorization.

1096097891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 1096097891 is about 33107.3691343785. The cubic root of 1096097891 is about 1031.0580421357.

The spelling of 1096097891 in words is "one billion, ninety-six million, ninety-seven thousand, eight hundred ninety-one".