4006318 has 4 divisors (see below), whose sum is σ = 6009480. Its totient is φ = 2003158.

The previous prime is 4006309. The next prime is 4006319. The reversal of 4006318 is 8136004.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001578 + ... + 1001581.

It is an arithmetic number, because the mean of its divisors is an integer number (1502370).

Almost surely, 2^4006318 is an apocalyptic number.

4006318 is a deficient number, since it is larger than the sum of its proper divisors (2003162).

4006318 is a wasteful number, since it uses less digits than its factorization.

4006318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003161.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4006318 is about 2001.5788767870. The cubic root of 4006318 is about 158.8236378977.

The spelling of 4006318 in words is "four million, six thousand, three hundred eighteen".