28658060 has 12 divisors (see below), whose sum is σ = 60181968. Its totient is φ = 11463216.

The previous prime is 28658059. The next prime is 28658093. The reversal of 28658060 is 6085682.

It is a self number, because there is not a number n which added to its sum of digits gives 28658060.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716432 + ... + 716471.

It is an arithmetic number, because the mean of its divisors is an integer number (5015164).

Almost surely, 2^28658060 is an apocalyptic number.

28658060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28658060 is an abundant number, since it is smaller than the sum of its proper divisors (31523908).

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

28658060 is a wasteful number, since it uses less digits than its factorization.

28658060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432912 (or 1432910 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 28658060 is about 5353.3223329069. The cubic root of 28658060 is about 306.0193787833.

The spelling of 28658060 in words is "twenty-eight million, six hundred fifty-eight thousand, sixty".