28368160 has 24 divisors (see below), whose sum is σ = 67020156. Its totient is φ = 11347200.

The previous prime is 28368149. The next prime is 28368163. The reversal of 28368160 is 6186382.

It can be written as a sum of positive squares in 2 ways, for example, as 27499536 + 868624 = 5244^2 + 932^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28368163) by changing a digit.

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, 88491 + ... + 88810.

Almost surely, 2^28368160 is an apocalyptic number.

28368160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28368160 is an abundant number, since it is smaller than the sum of its proper divisors (38651996).

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

28368160 is a wasteful number, since it uses less digits than its factorization.

28368160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177316 (or 177308 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28368160 is about 5326.1768652571. The cubic root of 28368160 is about 304.9839998773.

The spelling of 28368160 in words is "twenty-eight million, three hundred sixty-eight thousand, one hundred sixty".