340323985 has 32 divisors (see below), whose sum is σ = 441987840. Its totient is φ = 250905600.

The previous prime is 340323979. The next prime is 340324007. The reversal of 340323985 is 589323043.

It is not a de Polignac number, because 340323985 - 2¹⁹ = 339799697 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, 419230 + ... + 420040.

It is an arithmetic number, because the mean of its divisors is an integer number (13812120).

Almost surely, 2^340323985 is an apocalyptic number.

It is an amenable number.

340323985 is a deficient number, since it is larger than the sum of its proper divisors (101663855).

340323985 is a wasteful number, since it uses less digits than its factorization.

340323985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 340323985 is about 18447.8720995133. The cubic root of 340323985 is about 698.1748268301.

The spelling of 340323985 in words is "three hundred forty million, three hundred twenty-three thousand, nine hundred eighty-five".