340809165 has 12 divisors (see below), whose sum is σ = 590735964. Its totient is φ = 181764864.

The previous prime is 340809151. The next prime is 340809167. The reversal of 340809165 is 561908043.

It can be written as a sum of positive squares in 2 ways, for example, as 61685316 + 279123849 = 7854^2 + 16707^2 .

It is not a de Polignac number, because 340809165 - 2⁹ = 340808653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340809167) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3786724 + ... + 3786813.

It is an arithmetic number, because the mean of its divisors is an integer number (49227997).

Almost surely, 2^340809165 is an apocalyptic number.

It is an amenable number.

340809165 is a deficient number, since it is larger than the sum of its proper divisors (249926799).

340809165 is a wasteful number, since it uses less digits than its factorization.

340809165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573548 (or 7573545 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 340809165 is about 18461.0174421672. The cubic root of 340809165 is about 698.5064516255.

The spelling of 340809165 in words is "three hundred forty million, eight hundred nine thousand, one hundred sixty-five".