28895560 has 16 divisors (see below), whose sum is σ = 65015100. Its totient is φ = 11558208.

The previous prime is 28895549. The next prime is 28895579. The reversal of 28895560 is 6559882.

It can be written as a sum of positive squares in 2 ways, for example, as 28579716 + 315844 = 5346^2 + 562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361155 + ... + 361234.

Almost surely, 2^28895560 is an apocalyptic number.

28895560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28895560 is an abundant number, since it is smaller than the sum of its proper divisors (36119540).

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

28895560 is a wasteful number, since it uses less digits than its factorization.

28895560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722400 (or 722396 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 28895560 is about 5375.4590501649. The cubic root of 28895560 is about 306.8624196529.

The spelling of 28895560 in words is "twenty-eight million, eight hundred ninety-five thousand, five hundred sixty".