8945478 has 20 divisors (see below), whose sum is σ = 20044860. Its totient is φ = 2981772.

The previous prime is 8945477. The next prime is 8945483. The reversal of 8945478 is 8745498.

8945478 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27448 + ... + 27771.

It is an arithmetic number, because the mean of its divisors is an integer number (1002243).

Almost surely, 2^8945478 is an apocalyptic number.

8945478 is an abundant number, since it is smaller than the sum of its proper divisors (11099382).

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

8945478 is a wasteful number, since it uses less digits than its factorization.

8945478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55233 (or 55224 counting only the distinct ones).

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

The square root of 8945478 is about 2990.8991958941. The cubic root of 8945478 is about 207.5874929817.

The spelling of 8945478 in words is "eight million, nine hundred forty-five thousand, four hundred seventy-eight".