28411560 has 192 divisors, whose sum is σ = 99590400. Its totient is φ = 7278336.

The previous prime is 28411549. The next prime is 28411567. The reversal of 28411560 is 6511482.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28411567) 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 47 ways as a sum of consecutive naturals, for example, 359601 + ... + 359679.

It is an arithmetic number, because the mean of its divisors is an integer number (518700).

Almost surely, 2^28411560 is an apocalyptic number.

28411560 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 28411560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49795200).

28411560 is an abundant number, since it is smaller than the sum of its proper divisors (71178840).

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

28411560 is a wasteful number, since it uses less digits than its factorization.

28411560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28411560 is about 5330.2495251161. The cubic root of 28411560 is about 305.1394506987.

The spelling of 28411560 in words is "twenty-eight million, four hundred eleven thousand, five hundred sixty".