28108230 has 16 divisors (see below), whose sum is σ = 67459824. Its totient is φ = 7495520.

The previous prime is 28108229. The next prime is 28108243. The reversal of 28108230 is 3280182.

It is a self number, because there is not a number n which added to its sum of digits gives 28108230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468441 + ... + 468500.

It is an arithmetic number, because the mean of its divisors is an integer number (4216239).

Almost surely, 2^28108230 is an apocalyptic number.

28108230 is an abundant number, since it is smaller than the sum of its proper divisors (39351594).

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

28108230 is a wasteful number, since it uses less digits than its factorization.

28108230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936951.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 28108230 is about 5301.7195323782. The cubic root of 28108230 is about 304.0496441894.

The spelling of 28108230 in words is "twenty-eight million, one hundred eight thousand, two hundred thirty".