28285360 has 20 divisors (see below), whose sum is σ = 65763648. Its totient is φ = 11314112.

The previous prime is 28285351. The next prime is 28285363. The reversal of 28285360 is 6358282.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (28285363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176704 + ... + 176863.

Almost surely, 2^28285360 is an apocalyptic number.

28285360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28285360 is an abundant number, since it is smaller than the sum of its proper divisors (37478288).

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

28285360 is a wasteful number, since it uses less digits than its factorization.

28285360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353580 (or 353574 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28285360 is about 5318.3982551140. The cubic root of 28285360 is about 304.6869851493.

The spelling of 28285360 in words is "twenty-eight million, two hundred eighty-five thousand, three hundred sixty".