8478330 has 64 divisors (see below), whose sum is σ = 23777280. Its totient is φ = 1894464.

The previous prime is 8478319. The next prime is 8478361. The reversal of 8478330 is 338748.

8478330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8478291 and 8478300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9441 + ... + 10299.

It is an arithmetic number, because the mean of its divisors is an integer number (371520).

Almost surely, 2^8478330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8478330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11888640).

8478330 is an abundant number, since it is smaller than the sum of its proper divisors (15298950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8478330 is a wasteful number, since it uses less digits than its factorization.

8478330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8478330 is about 2911.7572014164. The cubic root of 8478330 is about 203.9091771794.

The spelling of 8478330 in words is "eight million, four hundred seventy-eight thousand, three hundred thirty".