8478424 has 16 divisors (see below), whose sum is σ = 16236000. Its totient is φ = 4148832.

The previous prime is 8478391. The next prime is 8478433. The reversal of 8478424 is 4248748.

8478424 = T₅₇₇ + T₅₇₈ + ... + T₆₂₃.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10899 + ... + 11650.

It is an arithmetic number, because the mean of its divisors is an integer number (1014750).

Almost surely, 2^8478424 is an apocalyptic number.

It is an amenable number.

8478424 is a deficient number, since it is larger than the sum of its proper divisors (7757576).

8478424 is a wasteful number, since it uses less digits than its factorization.

8478424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22602 (or 22598 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 8478424 is about 2911.7733428274. The cubic root of 8478424 is about 203.9099307630.

The spelling of 8478424 in words is "eight million, four hundred seventy-eight thousand, four hundred twenty-four".