8478134 has 16 divisors (see below), whose sum is σ = 14577408. Its totient is φ = 3622632.

The previous prime is 8478133. The next prime is 8478137. The reversal of 8478134 is 4318748.

It is a happy number.

8478134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8478134² = 143757512243912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8478094 and 8478103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5519 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (911088).

Almost surely, 2^8478134 is an apocalyptic number.

8478134 is a deficient number, since it is larger than the sum of its proper divisors (6099274).

8478134 is a wasteful number, since it uses less digits than its factorization.

8478134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 21504, while the sum is 35.

The square root of 8478134 is about 2911.7235445694. The cubic root of 8478134 is about 203.9076058595.

The spelling of 8478134 in words is "eight million, four hundred seventy-eight thousand, one hundred thirty-four".