28339060 has 12 divisors (see below), whose sum is σ = 59512068. Its totient is φ = 11335616.

The previous prime is 28339037. The next prime is 28339067. The reversal of 28339060 is 6093382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 18766224 = 3094^2 + 4332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28339067) 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 3 ways as a sum of consecutive naturals, for example, 708457 + ... + 708496.

It is an arithmetic number, because the mean of its divisors is an integer number (4959339).

Almost surely, 2^28339060 is an apocalyptic number.

28339060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28339060 is an abundant number, since it is smaller than the sum of its proper divisors (31173008).

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

28339060 is a wasteful number, since it uses less digits than its factorization.

28339060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416962 (or 1416960 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 28339060 is about 5323.4443737114. Note that the first 3 decimals coincide. The cubic root of 28339060 is about 304.8796802129.

The spelling of 28339060 in words is "twenty-eight million, three hundred thirty-nine thousand, sixty".