28060284 has 48 divisors (see below), whose sum is σ = 77414400. Its totient is φ = 7740096.

The previous prime is 28060261. The next prime is 28060289. The reversal of 28060284 is 48206082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060289) 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, 3324 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 2^28060284 is an apocalyptic number.

It is an amenable number.

28060284 is an abundant number, since it is smaller than the sum of its proper divisors (49354116).

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

28060284 is a wasteful number, since it uses less digits than its factorization.

28060284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562 (or 11560 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 28060284 is about 5297.1958619632. The cubic root of 28060284 is about 303.8766668448.

The spelling of 28060284 in words is "twenty-eight million, sixty thousand, two hundred eighty-four".