8478946 has 8 divisors (see below), whose sum is σ = 14535360. Its totient is φ = 3633828.

The previous prime is 8478929. The next prime is 8478947. The reversal of 8478946 is 6498748.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8478896 and 8478905.

It is not an unprimeable number, because it can be changed into a prime (8478947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302806 + ... + 302833.

It is an arithmetic number, because the mean of its divisors is an integer number (1816920).

Almost surely, 2^8478946 is an apocalyptic number.

8478946 is a deficient number, since it is larger than the sum of its proper divisors (6056414).

8478946 is a wasteful number, since it uses less digits than its factorization.

8478946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605648.

The product of its digits is 387072, while the sum is 46.

The square root of 8478946 is about 2911.8629775455. The cubic root of 8478946 is about 203.9141154558.

The spelling of 8478946 in words is "eight million, four hundred seventy-eight thousand, nine hundred forty-six".