28268030 has 16 divisors (see below), whose sum is σ = 58151520. Its totient is φ = 9691872.

The previous prime is 28268003. The next prime is 28268033. The reversal of 28268030 is 3086282.

It is a junction number, because it is equal to n+sod(n) for n = 28267984 and 28268002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28268033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201845 + ... + 201984.

It is an arithmetic number, because the mean of its divisors is an integer number (3634470).

Almost surely, 2^28268030 is an apocalyptic number.

28268030 is an abundant number, since it is smaller than the sum of its proper divisors (29883490).

28268030 is a wasteful number, since it uses less digits than its factorization.

28268030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403843.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28268030 is about 5316.7687555507. The cubic root of 28268030 is about 304.6247467782.

The spelling of 28268030 in words is "twenty-eight million, two hundred sixty-eight thousand, thirty".