28883345 has 8 divisors (see below), whose sum is σ = 34758720. Its totient is φ = 23040880.

The previous prime is 28883341. The next prime is 28883353. The reversal of 28883345 is 54338882.

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

It is not a de Polignac number, because 28883345 - 2² = 28883341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28883341) 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 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (4344840).

Almost surely, 2^28883345 is an apocalyptic number.

It is an amenable number.

28883345 is a deficient number, since it is larger than the sum of its proper divisors (5875375).

28883345 is a wasteful number, since it uses less digits than its factorization.

28883345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16455.

The product of its digits is 184320, while the sum is 41.

The square root of 28883345 is about 5374.3227480307. The cubic root of 28883345 is about 306.8191736460.

The spelling of 28883345 in words is "twenty-eight million, eight hundred eighty-three thousand, three hundred forty-five".