340561699 has 4 divisors (see below), whose sum is σ = 344664936. Its totient is φ = 336458464.

The previous prime is 340561651. The next prime is 340561709. The reversal of 340561699 is 996165043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340561699 - 2¹¹ = 340559651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340561609) 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 3 ways as a sum of consecutive naturals, for example, 2051494 + ... + 2051659.

It is an arithmetic number, because the mean of its divisors is an integer number (86166234).

Almost surely, 2^340561699 is an apocalyptic number.

340561699 is a deficient number, since it is larger than the sum of its proper divisors (4103237).

340561699 is an equidigital number, since it uses as much as digits as its factorization.

340561699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103236.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 340561699 is about 18454.3138317305. The cubic root of 340561699 is about 698.3373457934.

The spelling of 340561699 in words is "three hundred forty million, five hundred sixty-one thousand, six hundred ninety-nine".