8320478 has 8 divisors (see below), whose sum is σ = 12493272. Its totient is φ = 4156056.

The previous prime is 8320471. The next prime is 8320519. The reversal of 8320478 is 8740238.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320471) 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, 1976 + ... + 4532.

It is an arithmetic number, because the mean of its divisors is an integer number (1561659).

Almost surely, 2^8320478 is an apocalyptic number.

8320478 is a deficient number, since it is larger than the sum of its proper divisors (4172794).

8320478 is a wasteful number, since it uses less digits than its factorization.

8320478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8320478 is about 2884.5238775229. The cubic root of 8320478 is about 202.6357612201.

The spelling of 8320478 in words is "eight million, three hundred twenty thousand, four hundred seventy-eight".