28041763 has 4 divisors (see below), whose sum is σ = 28946368. Its totient is φ = 27137160.

The previous prime is 28041703. The next prime is 28041773. The reversal of 28041763 is 36714082.

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 28041763 - 2¹³ = 28033571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 904573 = 28041763 / (2 + 8 + 0 + 4 + 1 + 7 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28041703) 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, 452256 + ... + 452317.

It is an arithmetic number, because the mean of its divisors is an integer number (7236592).

Almost surely, 2^28041763 is an apocalyptic number.

28041763 is a deficient number, since it is larger than the sum of its proper divisors (904605).

28041763 is an equidigital number, since it uses as much as digits as its factorization.

28041763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904604.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28041763 is about 5295.4473843104. The cubic root of 28041763 is about 303.8097948860.

The spelling of 28041763 in words is "twenty-eight million, forty-one thousand, seven hundred sixty-three".