8428115 has 16 divisors (see below), whose sum is σ = 10790400. Its totient is φ = 6301152.

The previous prime is 8428099. The next prime is 8428139. The reversal of 8428115 is 5118248.

It is a cyclic number.

It is not a de Polignac number, because 8428115 - 2⁴ = 8428099 is a prime.

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, 6944 + ... + 8066.

It is an arithmetic number, because the mean of its divisors is an integer number (674400).

Almost surely, 2^8428115 is an apocalyptic number.

8428115 is a deficient number, since it is larger than the sum of its proper divisors (2362285).

8428115 is a wasteful number, since it uses less digits than its factorization.

8428115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its digits is 2560, while the sum is 29.

The square root of 8428115 is about 2903.1215957999. The cubic root of 8428115 is about 203.5058123251.

The spelling of 8428115 in words is "eight million, four hundred twenty-eight thousand, one hundred fifteen".