8478086 has 4 divisors (see below), whose sum is σ = 12717132. Its totient is φ = 4239042.

The previous prime is 8478083. The next prime is 8478101. The reversal of 8478086 is 6808748.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119520 + ... + 2119523.

It is an arithmetic number, because the mean of its divisors is an integer number (3179283).

Almost surely, 2^8478086 is an apocalyptic number.

8478086 is a deficient number, since it is larger than the sum of its proper divisors (4239046).

8478086 is a wasteful number, since it uses less digits than its factorization.

8478086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239045.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 8478086 is about 2911.7153020170. The cubic root of 8478086 is about 203.9072210427.

The spelling of 8478086 in words is "eight million, four hundred seventy-eight thousand, eighty-six".