342043216 has 10 divisors (see below), whose sum is σ = 662708762. Its totient is φ = 171021600.

The previous prime is 342043211. The next prime is 342043217. The reversal of 342043216 is 612340243.

It can be written as a sum of positive squares in only one way, i.e., 327754816 + 14288400 = 18104^2 + 3780^2 .

It is a super-2 number, since 2×342043216² = 233987123223245312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342043211) 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, 10688835 + ... + 10688866.

Almost surely, 2^342043216 is an apocalyptic number.

It is an amenable number.

342043216 is a deficient number, since it is larger than the sum of its proper divisors (320665546).

342043216 is a wasteful number, since it uses less digits than its factorization.

342043216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377709 (or 21377703 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 342043216 is about 18494.4103988205. The cubic root of 342043216 is about 699.3485203963.

Adding to 342043216 its reverse (612340243), we get a palindrome (954383459).

The spelling of 342043216 in words is "three hundred forty-two million, forty-three thousand, two hundred sixteen".