28882645 has 16 divisors (see below), whose sum is σ = 37984320. Its totient is φ = 20908800.

The previous prime is 28882621. The next prime is 28882657. The reversal of 28882645 is 54628882.

It is not a de Polignac number, because 28882645 - 2⁵ = 28882613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12166 + ... + 14344.

It is an arithmetic number, because the mean of its divisors is an integer number (2374020).

Almost surely, 2^28882645 is an apocalyptic number.

It is an amenable number.

28882645 is a deficient number, since it is larger than the sum of its proper divisors (9101675).

28882645 is a wasteful number, since it uses less digits than its factorization.

28882645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 245760, while the sum is 43.

The square root of 28882645 is about 5374.2576231513. The cubic root of 28882645 is about 306.8166949955.

The spelling of 28882645 in words is "twenty-eight million, eight hundred eighty-two thousand, six hundred forty-five".