26428303 has 4 divisors (see below), whose sum is σ = 28830888. Its totient is φ = 24025720.

The previous prime is 26428277. The next prime is 26428321. The reversal of 26428303 is 30382462.

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

It is a cyclic number.

It is not a de Polignac number, because 26428303 - 2¹³ = 26420111 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 (26428393) 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 3 ways as a sum of consecutive naturals, for example, 1201276 + ... + 1201297.

It is an arithmetic number, because the mean of its divisors is an integer number (7207722).

Almost surely, 2^26428303 is an apocalyptic number.

26428303 is a deficient number, since it is larger than the sum of its proper divisors (2402585).

26428303 is a wasteful number, since it uses less digits than its factorization.

26428303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402584.

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

The square root of 26428303 is about 5140.8465256220. The cubic root of 26428303 is about 297.8674808286.

The spelling of 26428303 in words is "twenty-six million, four hundred twenty-eight thousand, three hundred three".