340221706 has 16 divisors (see below), whose sum is σ = 557157888. Its totient is φ = 154526400.

The previous prime is 340221691. The next prime is 340221737. The reversal of 340221706 is 607122043.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27106 + ... + 37618.

It is an arithmetic number, because the mean of its divisors is an integer number (34822368).

Almost surely, 2^340221706 is an apocalyptic number.

340221706 is a deficient number, since it is larger than the sum of its proper divisors (216936182).

340221706 is a wasteful number, since it uses less digits than its factorization.

340221706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 340221706 is about 18445.0997828692. The cubic root of 340221706 is about 698.1048780156.

Adding to 340221706 its reverse (607122043), we get a palindrome (947343749).

The spelling of 340221706 in words is "three hundred forty million, two hundred twenty-one thousand, seven hundred six".