26404089 has 8 divisors (see below), whose sum is σ = 35284320. Its totient is φ = 17563296.

The previous prime is 26404087. The next prime is 26404109. The reversal of 26404089 is 98040462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26404089 - 2¹ = 26404087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26404087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8259 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (4410540).

Almost surely, 2^26404089 is an apocalyptic number.

It is an amenable number.

26404089 is a deficient number, since it is larger than the sum of its proper divisors (8880231).

26404089 is a wasteful number, since it uses less digits than its factorization.

26404089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26404089 is about 5138.4909263324. The cubic root of 26404089 is about 297.7764828424.

The spelling of 26404089 in words is "twenty-six million, four hundred four thousand, eighty-nine".