8939478 has 16 divisors (see below), whose sum is σ = 17971200. Its totient is φ = 2964456.

The previous prime is 8939471. The next prime is 8939521. The reversal of 8939478 is 8749398.

8939478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^8939478 is an apocalyptic number.

8939478 is an abundant number, since it is smaller than the sum of its proper divisors (9031722).

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

8939478 is a wasteful number, since it uses less digits than its factorization.

8939478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691.

The product of its digits is 435456, while the sum is 48.

The square root of 8939478 is about 2989.8959848128. The cubic root of 8939478 is about 207.5410708851.

The spelling of 8939478 in words is "eight million, nine hundred thirty-nine thousand, four hundred seventy-eight".