28608274 has 32 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 13183632.

The previous prime is 28608259. The next prime is 28608311. The reversal of 28608274 is 47280682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225199 + ... + 225325.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^28608274 is an apocalyptic number.

28608274 is a deficient number, since it is larger than the sum of its proper divisors (17840366).

28608274 is a wasteful number, since it uses less digits than its factorization.

28608274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 28608274 is about 5348.6703020470. The cubic root of 28608274 is about 305.8420661076.

It can be divided in two parts, 28608 and 274, that added together give a palindrome (28882).

The spelling of 28608274 in words is "twenty-eight million, six hundred eight thousand, two hundred seventy-four".