8426478 has 16 divisors (see below), whose sum is σ = 16940880. Its totient is φ = 2794176.

The previous prime is 8426477. The next prime is 8426497. The reversal of 8426478 is 8746248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (1058805).

Almost surely, 2^8426478 is an apocalyptic number.

8426478 is an abundant number, since it is smaller than the sum of its proper divisors (8514402).

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

8426478 is a wasteful number, since it uses less digits than its factorization.

8426478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331.

The product of its digits is 86016, while the sum is 39.

The square root of 8426478 is about 2902.8396442105. The cubic root of 8426478 is about 203.4926357691.

It can be divided in two parts, 84 and 26478, that added together give a palindrome (26562).

The spelling of 8426478 in words is "eight million, four hundred twenty-six thousand, four hundred seventy-eight".