4066608 has 160 divisors (see below), whose sum is σ = 13888000. Its totient is φ = 1016064.

The previous prime is 4066597. The next prime is 4066609. The reversal of 4066608 is 8066604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4066609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214023 + ... + 214041.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

Almost surely, 2^4066608 is an apocalyptic number.

4066608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4066608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6944000).

4066608 is an abundant number, since it is smaller than the sum of its proper divisors (9821392).

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

4066608 is a wasteful number, since it uses less digits than its factorization.

4066608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4066608 is about 2016.5832489635. The cubic root of 4066608 is about 159.6163725894.

The spelling of 4066608 in words is "four million, sixty-six thousand, six hundred eight".