8115534 has 48 divisors (see below), whose sum is σ = 20797920. Its totient is φ = 2237760.

The previous prime is 8115533. The next prime is 8115539. The reversal of 8115534 is 4355118.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8115498 and 8115507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8115533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2544 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (433290).

Almost surely, 2^8115534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8115534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10398960).

8115534 is an abundant number, since it is smaller than the sum of its proper divisors (12682386).

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

8115534 is a wasteful number, since it uses less digits than its factorization.

8115534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2262 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 8115534 is about 2848.7776325996. Note that the first 3 decimals coincide. The cubic root of 8115534 is about 200.9581854059.

It can be divided in two parts, 8115 and 534, that added together give a square (8649 = 93²).

The spelling of 8115534 in words is "eight million, one hundred fifteen thousand, five hundred thirty-four".