340304413 has 4 divisors (see below), whose sum is σ = 340612380. Its totient is φ = 339996448.

The previous prime is 340304407. The next prime is 340304423. The reversal of 340304413 is 314403043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314403043 = 73 ⋅4306891.

It can be written as a sum of positive squares in 2 ways, for example, as 3104644 + 337199769 = 1762^2 + 18363^2 .

It is a cyclic number.

It is not a de Polignac number, because 340304413 - 2¹³ = 340296221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340304423) 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 in 3 ways as a sum of consecutive naturals, for example, 152320 + ... + 154537.

It is an arithmetic number, because the mean of its divisors is an integer number (85153095).

Almost surely, 2^340304413 is an apocalyptic number.

It is an amenable number.

340304413 is a deficient number, since it is larger than the sum of its proper divisors (307967).

340304413 is a wasteful number, since it uses less digits than its factorization.

340304413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307966.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340304413 is about 18447.3416242016. The cubic root of 340304413 is about 698.1614425842.

Adding to 340304413 its reverse (314403043), we get a palindrome (654707456).

The spelling of 340304413 in words is "three hundred forty million, three hundred four thousand, four hundred thirteen".