8115906 has 32 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2603664.

The previous prime is 8115889. The next prime is 8115937. The reversal of 8115906 is 6095118.

It is a happy number.

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, 21225 + ... + 21603.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 2^8115906 is an apocalyptic number.

8115906 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8115906 is an abundant number, since it is smaller than the sum of its proper divisors (8737854).

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

8115906 is a wasteful number, since it uses less digits than its factorization.

8115906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 8115906 is about 2848.8429230128. The cubic root of 8115906 is about 200.9612558673.

The spelling of 8115906 in words is "eight million, one hundred fifteen thousand, nine hundred six".