28886960 has 40 divisors (see below), whose sum is σ = 68808096. Its totient is φ = 11271680.

The previous prime is 28886953. The next prime is 28886969. The reversal of 28886960 is 6968882.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (28886969) 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 7 ways as a sum of consecutive naturals, for example, 1124 + ... + 7683.

Almost surely, 2^28886960 is an apocalyptic number.

28886960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28886960 is an abundant number, since it is smaller than the sum of its proper divisors (39921136).

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

28886960 is a wasteful number, since it uses less digits than its factorization.

28886960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861 (or 8855 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 28886960 is about 5374.6590589543. The cubic root of 28886960 is about 306.8319734683.

The spelling of 28886960 in words is "twenty-eight million, eight hundred eighty-six thousand, nine hundred sixty".