343406365 has 16 divisors (see below), whose sum is σ = 422792496. Its totient is φ = 267609600.

The previous prime is 343406359. The next prime is 343406369. The reversal of 343406365 is 563604343.

It can be written as a sum of positive squares in 8 ways, for example, as 131354521 + 212051844 = 11461^2 + 14562^2 .

It is not a de Polignac number, because 343406365 - 2⁵ = 343406333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343406365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343406369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247975 + ... + 249355.

It is an arithmetic number, because the mean of its divisors is an integer number (26424531).

Almost surely, 2^343406365 is an apocalyptic number.

It is an amenable number.

343406365 is a deficient number, since it is larger than the sum of its proper divisors (79386131).

343406365 is a wasteful number, since it uses less digits than its factorization.

343406365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 343406365 is about 18531.2267537797. The cubic root of 343406365 is about 700.2763296782.

The spelling of 343406365 in words is "three hundred forty-three million, four hundred six thousand, three hundred sixty-five".