26106397 has 4 divisors (see below), whose sum is σ = 26230336. Its totient is φ = 25982460.

The previous prime is 26106389. The next prime is 26106413. The reversal of 26106397 is 79360162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26106397 - 2³ = 26106389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26106337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61653 + ... + 62074.

It is an arithmetic number, because the mean of its divisors is an integer number (6557584).

Almost surely, 2^26106397 is an apocalyptic number.

It is an amenable number.

26106397 is a deficient number, since it is larger than the sum of its proper divisors (123939).

26106397 is a wasteful number, since it uses less digits than its factorization.

26106397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123938.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 26106397 is about 5109.4419460446. The cubic root of 26106397 is about 296.6531603216.

The spelling of 26106397 in words is "twenty-six million, one hundred six thousand, three hundred ninety-seven".