343664465 has 8 divisors (see below), whose sum is σ = 416181480. Its totient is φ = 272408832.

The previous prime is 343664441. The next prime is 343664491. The reversal of 343664465 is 564466343.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 343249729 = 644^2 + 18527^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343664465 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314744 + ... + 315833.

It is an arithmetic number, because the mean of its divisors is an integer number (52022685).

Almost surely, 2^343664465 is an apocalyptic number.

It is an amenable number.

343664465 is a deficient number, since it is larger than the sum of its proper divisors (72517015).

343664465 is a wasteful number, since it uses less digits than its factorization.

343664465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630691.

The product of its digits is 622080, while the sum is 41.

The square root of 343664465 is about 18538.1893668179. The cubic root of 343664465 is about 700.4517254357.

The spelling of 343664465 in words is "three hundred forty-three million, six hundred sixty-four thousand, four hundred sixty-five".