28816282 has 8 divisors (see below), whose sum is σ = 47153952. Its totient is φ = 13098300.

The previous prime is 28816253. The next prime is 28816289. The reversal of 28816282 is 28261882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×28816282³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28816289) 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, 654894 + ... + 654937.

It is an arithmetic number, because the mean of its divisors is an integer number (5894244).

Almost surely, 2^28816282 is an apocalyptic number.

28816282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28816282 is a deficient number, since it is larger than the sum of its proper divisors (18337670).

28816282 is a wasteful number, since it uses less digits than its factorization.

28816282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309844.

The product of its digits is 24576, while the sum is 37.

The square root of 28816282 is about 5368.0799174379. The cubic root of 28816282 is about 306.5815261964.

The spelling of 28816282 in words is "twenty-eight million, eight hundred sixteen thousand, two hundred eighty-two".