4018342 has 4 divisors (see below), whose sum is σ = 6027516. Its totient is φ = 2009170.

The previous prime is 4018337. The next prime is 4018349. The reversal of 4018342 is 2438104.

4018342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×4018342² = 32294144857928, which contains 22 as substring.

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 (4018349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004584 + ... + 1004587.

It is an arithmetic number, because the mean of its divisors is an integer number (1506879).

Almost surely, 2^4018342 is an apocalyptic number.

4018342 is a deficient number, since it is larger than the sum of its proper divisors (2009174).

4018342 is a wasteful number, since it uses less digits than its factorization.

4018342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009173.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4018342 is about 2004.5802553153. The cubic root of 4018342 is about 158.9823695231.

The spelling of 4018342 in words is "four million, eighteen thousand, three hundred forty-two".