342140406 has 32 divisors (see below), whose sum is σ = 704209920. Its totient is φ = 110738016.

The previous prime is 342140377. The next prime is 342140417. The reversal of 342140406 is 604041243.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133485 + ... + 136023.

It is an arithmetic number, because the mean of its divisors is an integer number (22006560).

Almost surely, 2^342140406 is an apocalyptic number.

342140406 is an abundant number, since it is smaller than the sum of its proper divisors (362069514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342140406 is a wasteful number, since it uses less digits than its factorization.

342140406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 342140406 is about 18497.0377628419. The cubic root of 342140406 is about 699.4147530075.

Adding to 342140406 its reverse (604041243), we get a palindrome (946181649).

The spelling of 342140406 in words is "three hundred forty-two million, one hundred forty thousand, four hundred six".