8942478 has 32 divisors (see below), whose sum is σ = 18561312. Its totient is φ = 2870400.

The previous prime is 8942473. The next prime is 8942491. The reversal of 8942478 is 8742498.

It is a super-3 number, since 3×8942478³ (a number of 22 digits) contains 333 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8942473) 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 15 ways as a sum of consecutive naturals, for example, 19168 + ... + 19628.

It is an arithmetic number, because the mean of its divisors is an integer number (580041).

Almost surely, 2^8942478 is an apocalyptic number.

8942478 is an abundant number, since it is smaller than the sum of its proper divisors (9618834).

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

8942478 is a wasteful number, since it uses less digits than its factorization.

8942478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its digits is 129024, while the sum is 42.

The square root of 8942478 is about 2990.3976324228. The cubic root of 8942478 is about 207.5642845290.

The spelling of 8942478 in words is "eight million, nine hundred forty-two thousand, four hundred seventy-eight".