28816355 has 16 divisors (see below), whose sum is σ = 36529920. Its totient is φ = 21777888.

The previous prime is 28816349. The next prime is 28816357. The reversal of 28816355 is 55361882.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28816355 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28816357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8036 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (2283120).

Almost surely, 2^28816355 is an apocalyptic number.

28816355 is a deficient number, since it is larger than the sum of its proper divisors (7713565).

28816355 is a wasteful number, since it uses less digits than its factorization.

28816355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its digits is 57600, while the sum is 38.

The square root of 28816355 is about 5368.0867168853. The cubic root of 28816355 is about 306.5817850829.

The spelling of 28816355 in words is "twenty-eight million, eight hundred sixteen thousand, three hundred fifty-five".