28816373 has 2 divisors, whose sum is σ = 28816374. Its totient is φ = 28816372.

The previous prime is 28816357. The next prime is 28816379. The reversal of 28816373 is 37361882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 6932689 = 4678^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 28816373 - 2⁴ = 28816357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28816379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14408186 + 14408187.

It is an arithmetic number, because the mean of its divisors is an integer number (14408187).

Almost surely, 2^28816373 is an apocalyptic number.

It is an amenable number.

28816373 is a deficient number, since it is larger than the sum of its proper divisors (1).

28816373 is an equidigital number, since it uses as much as digits as its factorization.

28816373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 28816373 is about 5368.0883934600. The cubic root of 28816373 is about 306.5818489178.

It can be divided in two parts, 288 and 16373, that added together give a palindrome (16661).

The spelling of 28816373 in words is "twenty-eight million, eight hundred sixteen thousand, three hundred seventy-three".