8272815 has 16 divisors (see below), whose sum is σ = 13664256. Its totient is φ = 4269600.

The previous prime is 8272787. The next prime is 8272819. The reversal of 8272815 is 5182728.

8272815 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8272815 - 2⁶ = 8272751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8272819) 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 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 9360.

It is an arithmetic number, because the mean of its divisors is an integer number (854016).

Almost surely, 2^8272815 is an apocalyptic number.

8272815 is a deficient number, since it is larger than the sum of its proper divisors (5391441).

8272815 is a wasteful number, since it uses less digits than its factorization.

8272815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17830.

The product of its digits is 8960, while the sum is 33.

The square root of 8272815 is about 2876.2501629726. The cubic root of 8272815 is about 202.2480940189.

The spelling of 8272815 in words is "eight million, two hundred seventy-two thousand, eight hundred fifteen".