4000342 has 8 divisors (see below), whose sum is σ = 6016032. Its totient is φ = 1995000.

The previous prime is 4000309. The next prime is 4000343. The reversal of 4000342 is 2430004.

4000342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×4000342² = 32005472233928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000343) 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 in 3 ways as a sum of consecutive naturals, for example, 1534 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (752004).

Almost surely, 2^4000342 is an apocalyptic number.

4000342 is a deficient number, since it is larger than the sum of its proper divisors (2015690).

4000342 is a wasteful number, since it uses less digits than its factorization.

4000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4000342 is about 2000.0854981725. The cubic root of 4000342 is about 158.7446291609.

Adding to 4000342 its reverse (2430004), we get a palindrome (6430346).

The spelling of 4000342 in words is "four million, three hundred forty-two", and thus it is an aban number.