28865303 has 4 divisors (see below), whose sum is σ = 30563280. Its totient is φ = 27167328.

The previous prime is 28865267. The next prime is 28865327. The reversal of 28865303 is 30356882.

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 28865303 - 2²² = 24670999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28865393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848963 + ... + 848996.

It is an arithmetic number, because the mean of its divisors is an integer number (7640820).

Almost surely, 2^28865303 is an apocalyptic number.

28865303 is a deficient number, since it is larger than the sum of its proper divisors (1697977).

28865303 is a wasteful number, since it uses less digits than its factorization.

28865303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697976.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28865303 is about 5372.6439487463. The cubic root of 28865303 is about 306.7552754082.

The spelling of 28865303 in words is "twenty-eight million, eight hundred sixty-five thousand, three hundred three".