26089919 has 4 divisors (see below), whose sum is σ = 26106000. Its totient is φ = 26073840.

The previous prime is 26089901. The next prime is 26089927. The reversal of 26089919 is 91998062.

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 26089919 - 2¹² = 26085823 is a prime.

It is a super-2 number, since 2×26089919² = 1361367746853122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26089919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26089619) 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, 5294 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (6526500).

Almost surely, 2^26089919 is an apocalyptic number.

26089919 is a deficient number, since it is larger than the sum of its proper divisors (16081).

26089919 is a wasteful number, since it uses less digits than its factorization.

26089919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 26089919 is about 5107.8291866506. The cubic root of 26089919 is about 296.5907327155.

The spelling of 26089919 in words is "twenty-six million, eighty-nine thousand, nine hundred nineteen".