28511160 has 64 divisors (see below), whose sum is σ = 87004800. Its totient is φ = 7472256.

The previous prime is 28511123. The next prime is 28511167. The reversal of 28511160 is 6111582.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 28511160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28511167) 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 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (1359450).

Almost surely, 2^28511160 is an apocalyptic number.

28511160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28511160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43502400).

28511160 is an abundant number, since it is smaller than the sum of its proper divisors (58493640).

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

28511160 is a wasteful number, since it uses less digits than its factorization.

28511160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 28511160 is about 5339.5842534789. The cubic root of 28511160 is about 305.4956020235.

The spelling of 28511160 in words is "twenty-eight million, five hundred eleven thousand, one hundred sixty".