4065866 has 8 divisors (see below), whose sum is σ = 6970080. Its totient is φ = 1742508.

The previous prime is 4065857. The next prime is 4065877. The reversal of 4065866 is 6685604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145196 + ... + 145223.

It is an arithmetic number, because the mean of its divisors is an integer number (871260).

Almost surely, 2^4065866 is an apocalyptic number.

4065866 is a deficient number, since it is larger than the sum of its proper divisors (2904214).

4065866 is a wasteful number, since it uses less digits than its factorization.

4065866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290428.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 4065866 is about 2016.3992660185. The cubic root of 4065866 is about 159.6066640434.

The spelling of 4065866 in words is "four million, sixty-five thousand, eight hundred sixty-six".