4066918 has 4 divisors (see below), whose sum is σ = 6100380. Its totient is φ = 2033458.

The previous prime is 4066901. The next prime is 4066943. The reversal of 4066918 is 8196604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016728 + ... + 1016731.

It is an arithmetic number, because the mean of its divisors is an integer number (1525095).

Almost surely, 2^4066918 is an apocalyptic number.

4066918 is a deficient number, since it is larger than the sum of its proper divisors (2033462).

4066918 is a wasteful number, since it uses less digits than its factorization.

4066918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033461.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4066918 is about 2016.6601101822. The cubic root of 4066918 is about 159.6204283707.

The spelling of 4066918 in words is "four million, sixty-six thousand, nine hundred eighteen".