28682882 has 4 divisors (see below), whose sum is σ = 43024326. Its totient is φ = 14341440.

The previous prime is 28682879. The next prime is 28682887. The reversal of 28682882 is 28828682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28828682 = 2 ⋅14414341.

It can be written as a sum of positive squares in only one way, i.e., 26429881 + 2253001 = 5141^2 + 1501^2 .

It is not an unprimeable number, because it can be changed into a prime (28682887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7170719 + ... + 7170722.

Almost surely, 2^28682882 is an apocalyptic number.

28682882 is a deficient number, since it is larger than the sum of its proper divisors (14341444).

28682882 is a wasteful number, since it uses less digits than its factorization.

28682882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14341443.

The product of its digits is 196608, while the sum is 44.

The square root of 28682882 is about 5355.6402044947. The cubic root of 28682882 is about 306.1077055460.

The spelling of 28682882 in words is "twenty-eight million, six hundred eighty-two thousand, eight hundred eighty-two".