28608276 has 12 divisors (see below), whose sum is σ = 66752672. Its totient is φ = 9536088.

The previous prime is 28608259. The next prime is 28608311. The reversal of 28608276 is 67280682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1192000 + ... + 1192023.

Almost surely, 2^28608276 is an apocalyptic number.

It is an amenable number.

28608276 is an abundant number, since it is smaller than the sum of its proper divisors (38144396).

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

28608276 is a wasteful number, since it uses less digits than its factorization.

28608276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384030 (or 2384028 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 28608276 is about 5348.6704890094. The cubic root of 28608276 is about 305.8420732347.

The spelling of 28608276 in words is "twenty-eight million, six hundred eight thousand, two hundred seventy-six".