340330665 has 16 divisors (see below), whose sum is σ = 545371200. Its totient is φ = 181228992.

The previous prime is 340330637. The next prime is 340330673. The reversal of 340330665 is 566033043.

It is not a de Polignac number, because 340330665 - 2⁷ = 340330537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330 + ... + 27099.

It is an arithmetic number, because the mean of its divisors is an integer number (34085700).

Almost surely, 2^340330665 is an apocalyptic number.

It is an amenable number.

340330665 is a deficient number, since it is larger than the sum of its proper divisors (205040535).

340330665 is a wasteful number, since it uses less digits than its factorization.

340330665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35096.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 340330665 is about 18448.0531493163. The cubic root of 340330665 is about 698.1793948080.

The spelling of 340330665 in words is "three hundred forty million, three hundred thirty thousand, six hundred sixty-five".