26684413 has 4 divisors (see below), whose sum is σ = 30496480. Its totient is φ = 22872348.

The previous prime is 26684323. The next prime is 26684423. The reversal of 26684413 is 31448662.

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 26684413 - 2¹⁷ = 26553341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26684423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906023 + ... + 1906036.

It is an arithmetic number, because the mean of its divisors is an integer number (7624120).

Almost surely, 2^26684413 is an apocalyptic number.

It is an amenable number.

26684413 is a deficient number, since it is larger than the sum of its proper divisors (3812067).

26684413 is an equidigital number, since it uses as much as digits as its factorization.

26684413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812066.

The product of its digits is 27648, while the sum is 34.

The square root of 26684413 is about 5165.6957905010. The cubic root of 26684413 is about 298.8265754932.

The spelling of 26684413 in words is "twenty-six million, six hundred eighty-four thousand, four hundred thirteen".