8123836 has 12 divisors (see below), whose sum is σ = 16247728. Its totient is φ = 3481632.

The previous prime is 8123789. The next prime is 8123837. The reversal of 8123836 is 6383218.

8123836 is an admirable number.

It is a super-2 number, since 2×8123836² = 131993422709792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8123798 and 8123807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145041 + ... + 145096.

Almost surely, 2^8123836 is an apocalyptic number.

It is an amenable number.

8123836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8123836 is a wasteful number, since it uses less digits than its factorization.

8123836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290148 (or 290146 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 8123836 is about 2850.2343763277. The cubic root of 8123836 is about 201.0266872150.

The spelling of 8123836 in words is "eight million, one hundred twenty-three thousand, eight hundred thirty-six".