26421343 has 16 divisors (see below), whose sum is σ = 30693600. Its totient is φ = 22533120.

The previous prime is 26421337. The next prime is 26421359. The reversal of 26421343 is 34312462.

It is a cyclic number.

It is not a de Polignac number, because 26421343 - 2¹³ = 26413151 is a prime.

It is a super-3 number, since 3×26421343³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421643) 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 15 ways as a sum of consecutive naturals, for example, 8823 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (1918350).

Almost surely, 2^26421343 is an apocalyptic number.

26421343 is a deficient number, since it is larger than the sum of its proper divisors (4272257).

26421343 is a wasteful number, since it uses less digits than its factorization.

26421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682.

The product of its digits is 3456, while the sum is 25.

The square root of 26421343 is about 5140.1695497328. The cubic root of 26421343 is about 297.8413303327.

The spelling of 26421343 in words is "twenty-six million, four hundred twenty-one thousand, three hundred forty-three".