8478471 has 16 divisors (see below), whose sum is σ = 11649024. Its totient is φ = 5482464.

The previous prime is 8478433. The next prime is 8478493. The reversal of 8478471 is 1748748.

It is a de Polignac number, because none of the positive numbers 2^k-8478471 is a prime.

It is a super-3 number, since 3×8478471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478271) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21946 + ... + 22328.

It is an arithmetic number, because the mean of its divisors is an integer number (728064).

Almost surely, 2^8478471 is an apocalyptic number.

8478471 is a deficient number, since it is larger than the sum of its proper divisors (3170553).

8478471 is a wasteful number, since it uses less digits than its factorization.

8478471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 50176, while the sum is 39.

The square root of 8478471 is about 2911.7814134993. The cubic root of 8478471 is about 203.9103075527.

The spelling of 8478471 in words is "eight million, four hundred seventy-eight thousand, four hundred seventy-one".