26814397 has 4 divisors (see below), whose sum is σ = 26900380. Its totient is φ = 26728416.

The previous prime is 26814367. The next prime is 26814401. The reversal of 26814397 is 79341862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4639716 + 22174681 = 2154^2 + 4709^2 .

It is a cyclic number.

It is not a de Polignac number, because 26814397 - 2⁷ = 26814269 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 (26814317) 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, 42522 + ... + 43147.

It is an arithmetic number, because the mean of its divisors is an integer number (6725095).

Almost surely, 2^26814397 is an apocalyptic number.

It is an amenable number.

26814397 is a deficient number, since it is larger than the sum of its proper divisors (85983).

26814397 is an equidigital number, since it uses as much as digits as its factorization.

26814397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85982.

The product of its digits is 72576, while the sum is 40.

The square root of 26814397 is about 5178.2619671083. The cubic root of 26814397 is about 299.3110002909.

The spelling of 26814397 in words is "twenty-six million, eight hundred fourteen thousand, three hundred ninety-seven".