28255060 has 12 divisors (see below), whose sum is σ = 59335668. Its totient is φ = 11302016.

The previous prime is 28255057. The next prime is 28255103. The reversal of 28255060 is 6055282.

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 23853456 = 2098^2 + 4884^2 .

It is a congruent number.

It is an unprimeable number.

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, 706357 + ... + 706396.

It is an arithmetic number, because the mean of its divisors is an integer number (4944639).

Almost surely, 2^28255060 is an apocalyptic number.

28255060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28255060 is an abundant number, since it is smaller than the sum of its proper divisors (31080608).

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

28255060 is a wasteful number, since it uses less digits than its factorization.

28255060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412762 (or 1412760 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 28255060 is about 5315.5488898137. The cubic root of 28255060 is about 304.5781501178.

The spelling of 28255060 in words is "twenty-eight million, two hundred fifty-five thousand, sixty".