26406863 has 8 divisors (see below), whose sum is σ = 30995232. Its totient is φ = 22022496.

The previous prime is 26406841. The next prime is 26406869. The reversal of 26406863 is 36860462.

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

It is a cyclic number.

It is not a de Polignac number, because 26406863 - 2⁶ = 26406799 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 (26406869) 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 7 ways as a sum of consecutive naturals, for example, 50720 + ... + 51237.

It is an arithmetic number, because the mean of its divisors is an integer number (3874404).

Almost surely, 2^26406863 is an apocalyptic number.

26406863 is a deficient number, since it is larger than the sum of its proper divisors (4588369).

26406863 is a wasteful number, since it uses less digits than its factorization.

26406863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102001.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 26406863 is about 5138.7608428492. The cubic root of 26406863 is about 297.7869105585.

The spelling of 26406863 in words is "twenty-six million, four hundred six thousand, eight hundred sixty-three".