340341646 has 16 divisors (see below), whose sum is σ = 524584368. Its totient is φ = 165513600.

The previous prime is 340341637. The next prime is 340341647. The reversal of 340341646 is 646143043.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340341647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12516 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (32786523).

Almost surely, 2^340341646 is an apocalyptic number.

340341646 is a deficient number, since it is larger than the sum of its proper divisors (184242722).

340341646 is a wasteful number, since it uses less digits than its factorization.

340341646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16707.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 340341646 is about 18448.3507663964. The cubic root of 340341646 is about 698.1869038046.

Adding to 340341646 its reverse (646143043), we get a palindrome (986484689).

The spelling of 340341646 in words is "three hundred forty million, three hundred forty-one thousand, six hundred forty-six".