10104891 has 4 divisors (see below), whose sum is σ = 13473192. Its totient is φ = 6736592.

The previous prime is 10104881. The next prime is 10104893. The reversal of 10104891 is 19840101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10104891 - 2⁹ = 10104379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10104893) 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, 1684146 + ... + 1684151.

It is an arithmetic number, because the mean of its divisors is an integer number (3368298).

Almost surely, 2^10104891 is an apocalyptic number.

10104891 is a deficient number, since it is larger than the sum of its proper divisors (3368301).

10104891 is an equidigital number, since it uses as much as digits as its factorization.

10104891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368300.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 10104891 is about 3178.8191203653. The cubic root of 10104891 is about 216.1941199017.

Adding to 10104891 its reverse (19840101), we get a palindrome (29944992).

The spelling of 10104891 in words is "ten million, one hundred four thousand, eight hundred ninety-one".