28681060 has 24 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 11445600.

The previous prime is 28681007. The next prime is 28681063. The reversal of 28681060 is 6018682.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28681063) 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 7 ways as a sum of consecutive naturals, for example, 8635 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (2515464).

Almost surely, 2^28681060 is an apocalyptic number.

28681060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28681060 is an abundant number, since it is smaller than the sum of its proper divisors (31690076).

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

28681060 is a wasteful number, since it uses less digits than its factorization.

28681060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 28681060 is about 5355.4701007475. The cubic root of 28681060 is about 306.1012238629.

The spelling of 28681060 in words is "twenty-eight million, six hundred eighty-one thousand, sixty".