340342665 has 32 divisors (see below), whose sum is σ = 593886720. Its totient is φ = 165424896.

The previous prime is 340342657. The next prime is 340342679. The reversal of 340342665 is 566243043.

It is not a de Polignac number, because 340342665 - 2³ = 340342657 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4359 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (18558960).

Almost surely, 2^340342665 is an apocalyptic number.

It is an amenable number.

340342665 is a deficient number, since it is larger than the sum of its proper divisors (253544055).

340342665 is a wasteful number, since it uses less digits than its factorization.

340342665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 340342665 is about 18448.3783840206. The cubic root of 340342665 is about 698.1876006062.

The spelling of 340342665 in words is "three hundred forty million, three hundred forty-two thousand, six hundred sixty-five".