8472815 has 24 divisors (see below), whose sum is σ = 11348928. Its totient is φ = 6065280.

The previous prime is 8472799. The next prime is 8472847. The reversal of 8472815 is 5182748.

It is not a de Polignac number, because 8472815 - 2⁴ = 8472799 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 31130 + ... + 31400.

It is an arithmetic number, because the mean of its divisors is an integer number (472872).

Almost surely, 2^8472815 is an apocalyptic number.

8472815 is a deficient number, since it is larger than the sum of its proper divisors (2876113).

8472815 is a wasteful number, since it uses less digits than its factorization.

8472815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 326 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 8472815 is about 2910.8100247182. The cubic root of 8472815 is about 203.8649545147.

The spelling of 8472815 in words is "eight million, four hundred seventy-two thousand, eight hundred fifteen".