8133856 has 24 divisors (see below), whose sum is σ = 16125480. Its totient is φ = 4038528.

The previous prime is 8133841. The next prime is 8133869. The reversal of 8133856 is 6583318.

It is a happy number.

It is a super-2 number, since 2×8133856² = 132319226857472, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215 + ... + 5833.

It is an arithmetic number, because the mean of its divisors is an integer number (671895).

Almost surely, 2^8133856 is an apocalyptic number.

It is an amenable number.

8133856 is a deficient number, since it is larger than the sum of its proper divisors (7991624).

8133856 is a wasteful number, since it uses less digits than its factorization.

8133856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1778 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 8133856 is about 2851.9915848403. The cubic root of 8133856 is about 201.1093025307.

It can be divided in two parts, 81 and 33856, that multiplied together give a square (2742336 = 1656²).

The spelling of 8133856 in words is "eight million, one hundred thirty-three thousand, eight hundred fifty-six".