340611686 has 12 divisors (see below), whose sum is σ = 523081332. Its totient is φ = 166343436.

The previous prime is 340611673. The next prime is 340611701. The reversal of 340611686 is 686116043.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 42356 + ... + 49751.

It is an arithmetic number, because the mean of its divisors is an integer number (43590111).

Almost surely, 2^340611686 is an apocalyptic number.

340611686 is a deficient number, since it is larger than the sum of its proper divisors (182469646).

340611686 is an equidigital number, since it uses as much as digits as its factorization.

340611686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92195 (or 92152 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 340611686 is about 18455.6681266217. The cubic root of 340611686 is about 698.3715109988.

The spelling of 340611686 in words is "three hundred forty million, six hundred eleven thousand, six hundred eighty-six".