28260834 has 32 divisors (see below), whose sum is σ = 68397696. Its totient is φ = 7599360.

The previous prime is 28260829. The next prime is 28260863. The reversal of 28260834 is 43806282.

It is a junction number, because it is equal to n+sod(n) for n = 28260795 and 28260804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19077 + ... + 20504.

It is an arithmetic number, because the mean of its divisors is an integer number (2137428).

Almost surely, 2^28260834 is an apocalyptic number.

28260834 is an abundant number, since it is smaller than the sum of its proper divisors (40136862).

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

28260834 is a wasteful number, since it uses less digits than its factorization.

28260834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39610.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28260834 is about 5316.0919856601. The cubic root of 28260834 is about 304.5988958351.

It can be divided in two parts, 282 and 60834, that added together give a palindrome (61116).

The spelling of 28260834 in words is "twenty-eight million, two hundred sixty thousand, eight hundred thirty-four".