340307465 has 8 divisors (see below), whose sum is σ = 408532680. Its totient is φ = 272136832.

The previous prime is 340307459. The next prime is 340307467. The reversal of 340307465 is 564703043.

It can be written as a sum of positive squares in 4 ways, for example, as 47623801 + 292683664 = 6901^2 + 17108^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340307465 - 2⁴ = 340307449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340307467) 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 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 26139.

It is an arithmetic number, because the mean of its divisors is an integer number (51066585).

Almost surely, 2^340307465 is an apocalyptic number.

It is an amenable number.

340307465 is a deficient number, since it is larger than the sum of its proper divisors (68225215).

340307465 is a wasteful number, since it uses less digits than its factorization.

340307465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27291.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 340307465 is about 18447.4243459622. The cubic root of 340307465 is about 698.1635297178.

The spelling of 340307465 in words is "three hundred forty million, three hundred seven thousand, four hundred sixty-five".