4066628 has 24 divisors (see below), whose sum is σ = 7375872. Its totient is φ = 1960704.

The previous prime is 4066619. The next prime is 4066661. The reversal of 4066628 is 8266604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4066594 and 4066603.

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, 18125 + ... + 18347.

It is an arithmetic number, because the mean of its divisors is an integer number (307328).

Almost surely, 2^4066628 is an apocalyptic number.

It is an amenable number.

4066628 is a deficient number, since it is larger than the sum of its proper divisors (3309244).

4066628 is a wasteful number, since it uses less digits than its factorization.

4066628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4066628 is about 2016.5882078402. The cubic root of 4066628 is about 159.6166342589.

The spelling of 4066628 in words is "four million, sixty-six thousand, six hundred twenty-eight".