8479515 has 32 divisors (see below), whose sum is σ = 15676416. Its totient is φ = 3868160.

The previous prime is 8479511. The next prime is 8479531. The reversal of 8479515 is 5159748.

8479515 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 8479515 - 2² = 8479511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8479511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (489888).

Almost surely, 2^8479515 is an apocalyptic number.

8479515 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8479515 is a deficient number, since it is larger than the sum of its proper divisors (7196901).

8479515 is a wasteful number, since it uses less digits than its factorization.

8479515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059.

The product of its digits is 50400, while the sum is 39.

The square root of 8479515 is about 2911.9606796796. The cubic root of 8479515 is about 203.9186767356.

The spelling of 8479515 in words is "eight million, four hundred seventy-nine thousand, five hundred fifteen".