28256326 has 8 divisors (see below), whose sum is σ = 48439440. Its totient is φ = 12109848.

The previous prime is 28256317. The next prime is 28256341. The reversal of 28256326 is 62365282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28256291 and 28256300.

It is a congruent number.

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, 1009141 + ... + 1009168.

It is an arithmetic number, because the mean of its divisors is an integer number (6054930).

Almost surely, 2^28256326 is an apocalyptic number.

28256326 is a deficient number, since it is larger than the sum of its proper divisors (20183114).

28256326 is a wasteful number, since it uses less digits than its factorization.

28256326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018318.

The product of its digits is 34560, while the sum is 34.

The square root of 28256326 is about 5315.6679730773. The cubic root of 28256326 is about 304.5826990396.

It can be divided in two parts, 28256 and 326, that added together give a palindrome (28582).

The spelling of 28256326 in words is "twenty-eight million, two hundred fifty-six thousand, three hundred twenty-six".