26323091 has 4 divisors (see below), whose sum is σ = 26490912. Its totient is φ = 26155272.

The previous prime is 26323081. The next prime is 26323093. The reversal of 26323091 is 19032362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26323091 is a prime.

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 26323091.

It is not an unprimeable number, because it can be changed into a prime (26323093) 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, 83675 + ... + 83988.

It is an arithmetic number, because the mean of its divisors is an integer number (6622728).

Almost surely, 2^26323091 is an apocalyptic number.

26323091 is a deficient number, since it is larger than the sum of its proper divisors (167821).

26323091 is a wasteful number, since it uses less digits than its factorization.

26323091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167820.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 26323091 is about 5130.6033758224. The cubic root of 26323091 is about 297.4716815076.

The spelling of 26323091 in words is "twenty-six million, three hundred twenty-three thousand, ninety-one".