8478734 has 8 divisors (see below), whose sum is σ = 13874328. Its totient is φ = 3853960.

The previous prime is 8478727. The next prime is 8478737. The reversal of 8478734 is 4378748.

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

It is a junction number, because it is equal to n+sod(n) for n = 8478691 and 8478700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192677 + ... + 192720.

It is an arithmetic number, because the mean of its divisors is an integer number (1734291).

Almost surely, 2^8478734 is an apocalyptic number.

8478734 is a deficient number, since it is larger than the sum of its proper divisors (5395594).

8478734 is a wasteful number, since it uses less digits than its factorization.

8478734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385410.

The product of its digits is 150528, while the sum is 41.

The square root of 8478734 is about 2911.8265745061. The cubic root of 8478734 is about 203.9124159461.

The spelling of 8478734 in words is "eight million, four hundred seventy-eight thousand, seven hundred thirty-four".