28103260 has 12 divisors (see below), whose sum is σ = 59016888. Its totient is φ = 11241296.

The previous prime is 28103203. The next prime is 28103269. The reversal of 28103260 is 6230182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103269) 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 3 ways as a sum of consecutive naturals, for example, 702562 + ... + 702601.

It is an arithmetic number, because the mean of its divisors is an integer number (4918074).

Almost surely, 2^28103260 is an apocalyptic number.

28103260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28103260 is an abundant number, since it is smaller than the sum of its proper divisors (30913628).

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

28103260 is a wasteful number, since it uses less digits than its factorization.

28103260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405172 (or 1405170 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28103260 is about 5301.2507958028. The cubic root of 28103260 is about 304.0317227976.

The spelling of 28103260 in words is "twenty-eight million, one hundred three thousand, two hundred sixty".