28634308 has 12 divisors (see below), whose sum is σ = 50606892. Its totient is φ = 14175200.

The previous prime is 28634299. The next prime is 28634329. The reversal of 28634308 is 80343682.

It can be written as a sum of positive squares in 2 ways, for example, as 28068804 + 565504 = 5298^2 + 752^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35035 + ... + 35842.

It is an arithmetic number, because the mean of its divisors is an integer number (4217241).

Almost surely, 2^28634308 is an apocalyptic number.

It is an amenable number.

28634308 is a deficient number, since it is larger than the sum of its proper divisors (21972584).

28634308 is a wasteful number, since it uses less digits than its factorization.

28634308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70982 (or 70980 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 28634308 is about 5351.1034376099. The cubic root of 28634308 is about 305.9348117506.

The spelling of 28634308 in words is "twenty-eight million, six hundred thirty-four thousand, three hundred eight".