4009318 has 8 divisors (see below), whose sum is σ = 6027048. Its totient is φ = 2000304.

The previous prime is 4009307. The next prime is 4009319. The reversal of 4009318 is 8139004.

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

It is a junction number, because it is equal to n+sod(n) for n = 4009292 and 4009301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (753381).

Almost surely, 2^4009318 is an apocalyptic number.

4009318 is a deficient number, since it is larger than the sum of its proper divisors (2017730).

4009318 is a wasteful number, since it uses less digits than its factorization.

4009318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4009318 is about 2002.3281449353. The cubic root of 4009318 is about 158.8632712995.

The spelling of 4009318 in words is "four million, nine thousand, three hundred eighteen".