28060508 has 24 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 11999088.

The previous prime is 28060447. The next prime is 28060531. The reversal of 28060508 is 80506082.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 16523 + ... + 18141.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^28060508 is an apocalyptic number.

28060508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28060508 is an abundant number, since it is smaller than the sum of its proper divisors (28185892).

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

28060508 is a wasteful number, since it uses less digits than its factorization.

28060508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28060508 is about 5297.2170051830. The cubic root of 28060508 is about 303.8774754395.

The spelling of 28060508 in words is "twenty-eight million, sixty thousand, five hundred eight".