340565885 has 16 divisors (see below), whose sum is σ = 456708672. Its totient is φ = 241641600.

The previous prime is 340565881. The next prime is 340565893. The reversal of 340565885 is 588565043.

It is not a de Polignac number, because 340565885 - 2² = 340565881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340565881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73259 + ... + 77768.

It is an arithmetic number, because the mean of its divisors is an integer number (28544292).

Almost surely, 2^340565885 is an apocalyptic number.

It is an amenable number.

340565885 is a deficient number, since it is larger than the sum of its proper divisors (116142787).

340565885 is a wasteful number, since it uses less digits than its factorization.

340565885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151084.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 340565885 is about 18454.4272465986. The cubic root of 340565885 is about 698.3402069766.

The spelling of 340565885 in words is "three hundred forty million, five hundred sixty-five thousand, eight hundred eighty-five".