8945978 has 32 divisors (see below), whose sum is σ = 15111360. Its totient is φ = 3951360.

The previous prime is 8945969. The next prime is 8945983. The reversal of 8945978 is 8795498.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42293 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (472230).

Almost surely, 2^8945978 is an apocalyptic number.

8945978 is a deficient number, since it is larger than the sum of its proper divisors (6165382).

8945978 is a wasteful number, since it uses less digits than its factorization.

8945978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its digits is 725760, while the sum is 50.

The square root of 8945978 is about 2990.9827816288. The cubic root of 8945978 is about 207.5913605527.

The spelling of 8945978 in words is "eight million, nine hundred forty-five thousand, nine hundred seventy-eight".