28627308 has 18 divisors (see below), whose sum is σ = 72363564. Its totient is φ = 9542424.

The previous prime is 28627301. The next prime is 28627327. The reversal of 28627308 is 80372682.

It is a happy number.

28627308 is a `hidden beast` number, since 28 + 627 + 3 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 795203 = 28627308 / (2 + 8 + 6 + 2 + 7 + 3 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (28627301) 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 5 ways as a sum of consecutive naturals, for example, 397566 + ... + 397637.

It is an arithmetic number, because the mean of its divisors is an integer number (4020198).

Almost surely, 2^28627308 is an apocalyptic number.

It is an amenable number.

28627308 is an abundant number, since it is smaller than the sum of its proper divisors (43736256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28627308 is a wasteful number, since it uses less digits than its factorization.

28627308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795213 (or 795208 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28627308 is about 5350.4493269257. The cubic root of 28627308 is about 305.9098799076.

The spelling of 28627308 in words is "twenty-eight million, six hundred twenty-seven thousand, three hundred eight".