28320162 has 32 divisors (see below), whose sum is σ = 61575360. Its totient is φ = 8631360.

The previous prime is 28320119. The next prime is 28320191. The reversal of 28320162 is 26102382.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6837 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (1924230).

Almost surely, 2^28320162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28320162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30787680).

28320162 is an abundant number, since it is smaller than the sum of its proper divisors (33255198).

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

28320162 is a wasteful number, since it uses less digits than its factorization.

28320162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 28320162 is about 5321.6690990703. The cubic root of 28320162 is about 304.8118951207.

It can be divided in two parts, 28320 and 162, that added together give a palindrome (28482).

The spelling of 28320162 in words is "twenty-eight million, three hundred twenty thousand, one hundred sixty-two".