28345160 has 32 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 10971840.

The previous prime is 28345159. The next prime is 28345201. The reversal of 28345160 is 6154382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10190 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (2057400).

Almost surely, 2^28345160 is an apocalyptic number.

28345160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28345160 is an abundant number, since it is smaller than the sum of its proper divisors (37491640).

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

28345160 is a wasteful number, since it uses less digits than its factorization.

28345160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22901 (or 22897 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28345160 is about 5324.0172802124. The cubic root of 28345160 is about 304.9015538228.

The spelling of 28345160 in words is "twenty-eight million, three hundred forty-five thousand, one hundred sixty".