340442216 has 16 divisors (see below), whose sum is σ = 647074500. Its totient is φ = 167889024.

The previous prime is 340442129. The next prime is 340442227. The reversal of 340442216 is 612244043.

It can be written as a sum of positive squares in 2 ways, for example, as 321484900 + 18957316 = 17930^2 + 4354^2 .

It is an unprimeable number.

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, 290891 + ... + 292058.

Almost surely, 2^340442216 is an apocalyptic number.

It is an amenable number.

340442216 is a deficient number, since it is larger than the sum of its proper divisors (306632284).

340442216 is a wasteful number, since it uses less digits than its factorization.

340442216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583028 (or 583024 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 340442216 is about 18451.0762829706. The cubic root of 340442216 is about 698.2556677879.

Adding to 340442216 its reverse (612244043), we get a palindrome (952686259).

The spelling of 340442216 in words is "three hundred forty million, four hundred forty-two thousand, two hundred sixteen".