340344404 has 6 divisors (see below), whose sum is σ = 595602714. Its totient is φ = 170172200.

The previous prime is 340344383. The next prime is 340344421. The reversal of 340344404 is 404443043.

It can be written as a sum of positive squares in only one way, i.e., 294808900 + 45535504 = 17170^2 + 6748^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 42543047 + ... + 42543054.

It is an arithmetic number, because the mean of its divisors is an integer number (99267119).

Almost surely, 2^340344404 is an apocalyptic number.

It is an amenable number.

340344404 is a deficient number, since it is larger than the sum of its proper divisors (255258310).

340344404 is a wasteful number, since it uses less digits than its factorization.

340344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85086105 (or 85086103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 340344404 is about 18448.4255154742. The cubic root of 340344404 is about 698.1887897471.

Adding to 340344404 its reverse (404443043), we get a palindrome (744787447).

The spelling of 340344404 in words is "three hundred forty million, three hundred forty-four thousand, four hundred four".