8459478 has 40 divisors (see below), whose sum is σ = 19224480. Its totient is φ = 2779920.

The previous prime is 8459471. The next prime is 8459501. The reversal of 8459478 is 8749548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8459471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12468 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (480612).

Almost surely, 2^8459478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8459478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9612240).

8459478 is an abundant number, since it is smaller than the sum of its proper divisors (10765002).

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

8459478 is a wasteful number, since it uses less digits than its factorization.

8459478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 745 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 8459478 is about 2908.5181794171. The cubic root of 8459478 is about 203.7579308642.

The spelling of 8459478 in words is "eight million, four hundred fifty-nine thousand, four hundred seventy-eight".