28826303 has 4 divisors (see below), whose sum is σ = 31446888. Its totient is φ = 26205720.

The previous prime is 28826267. The next prime is 28826351. The reversal of 28826303 is 30362882.

It is a happy number.

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 28826303 - 2⁸ = 28826047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28826303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310276 + ... + 1310297.

It is an arithmetic number, because the mean of its divisors is an integer number (7861722).

Almost surely, 2^28826303 is an apocalyptic number.

28826303 is a deficient number, since it is larger than the sum of its proper divisors (2620585).

28826303 is a wasteful number, since it uses less digits than its factorization.

28826303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620584.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28826303 is about 5369.0132240478. The cubic root of 28826303 is about 306.6170604754.

The spelling of 28826303 in words is "twenty-eight million, eight hundred twenty-six thousand, three hundred three".