26194891 has 4 divisors (see below), whose sum is σ = 26394984. Its totient is φ = 25994800.

The previous prime is 26194877. The next prime is 26194897. The reversal of 26194891 is 19849162.

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 26194891 - 2⁹ = 26194379 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26194897) 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, 99850 + ... + 100111.

It is an arithmetic number, because the mean of its divisors is an integer number (6598746).

Almost surely, 2^26194891 is an apocalyptic number.

26194891 is a deficient number, since it is larger than the sum of its proper divisors (200093).

26194891 is a wasteful number, since it uses less digits than its factorization.

26194891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200092.

The product of its digits is 31104, while the sum is 40.

The square root of 26194891 is about 5118.0944696244. The cubic root of 26194891 is about 296.9879750410.

The spelling of 26194891 in words is "twenty-six million, one hundred ninety-four thousand, eight hundred ninety-one".