340340697 has 24 divisors (see below), whose sum is σ = 539806176. Its totient is φ = 213544512.

The previous prime is 340340687. The next prime is 340340747. The reversal of 340340697 is 796043043.

It is not a de Polignac number, because 340340697 - 2⁶ = 340340633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340340617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37063 + ... + 45324.

It is an arithmetic number, because the mean of its divisors is an integer number (22491924).

Almost surely, 2^340340697 is an apocalyptic number.

It is an amenable number.

340340697 is a deficient number, since it is larger than the sum of its proper divisors (199465479).

340340697 is an equidigital number, since it uses as much as digits as its factorization.

340340697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82419 (or 82407 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 340340697 is about 18448.3250459222. The cubic root of 340340697 is about 698.1862548685.

It can be divided in two parts, 3403 and 40697, that added together give a square (44100 = 210²).

The spelling of 340340697 in words is "three hundred forty million, three hundred forty thousand, six hundred ninety-seven".