26830243 has 8 divisors (see below), whose sum is σ = 29822256. Its totient is φ = 23930400.

The previous prime is 26830231. The next prime is 26830247. The reversal of 26830243 is 34203862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26830243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26830247) 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 7 ways as a sum of consecutive naturals, for example, 22428 + ... + 23593.

It is an arithmetic number, because the mean of its divisors is an integer number (3727782).

Almost surely, 2^26830243 is an apocalyptic number.

26830243 is a deficient number, since it is larger than the sum of its proper divisors (2992013).

26830243 is a wasteful number, since it uses less digits than its factorization.

26830243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46085.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 26830243 is about 5179.7917911823. The cubic root of 26830243 is about 299.3699480786.

The spelling of 26830243 in words is "twenty-six million, eight hundred thirty thousand, two hundred forty-three".