28928060 has 48 divisors (see below), whose sum is σ = 70017024. Its totient is φ = 9834048.

The previous prime is 28928059. The next prime is 28928063. The reversal of 28928060 is 6082982.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28928060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28928063) 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, 16967 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (1458688).

Almost surely, 2^28928060 is an apocalyptic number.

28928060 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 28928060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35008512).

28928060 is an abundant number, since it is smaller than the sum of its proper divisors (41088964).

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

28928060 is a wasteful number, since it uses less digits than its factorization.

28928060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 28928060 is about 5378.4811982566. The cubic root of 28928060 is about 306.9774233876.

The spelling of 28928060 in words is "twenty-eight million, nine hundred twenty-eight thousand, sixty".