6668946 has 16 divisors (see below), whose sum is σ = 14820000. Its totient is φ = 2222964.

The previous prime is 6668939. The next prime is 6668951. The reversal of 6668946 is 6498666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61696 + ... + 61803.

It is an arithmetic number, because the mean of its divisors is an integer number (926250).

Almost surely, 2^6668946 is an apocalyptic number.

6668946 is an abundant number, since it is smaller than the sum of its proper divisors (8151054).

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

6668946 is a wasteful number, since it uses less digits than its factorization.

6668946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123510 (or 123504 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6668946 is about 2582.4302507522. The cubic root of 6668946 is about 188.2286526800.

The spelling of 6668946 in words is "six million, six hundred sixty-eight thousand, nine hundred forty-six".