340644659 has 8 divisors (see below), whose sum is σ = 344015280. Its totient is φ = 337287456.

The previous prime is 340644649. The next prime is 340644677. The reversal of 340644659 is 956446043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340644659 - 2¹² = 340640563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340644649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52097 + ... + 58269.

It is an arithmetic number, because the mean of its divisors is an integer number (43001910).

Almost surely, 2^340644659 is an apocalyptic number.

340644659 is a deficient number, since it is larger than the sum of its proper divisors (3370621).

340644659 is a wasteful number, since it uses less digits than its factorization.

340644659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 340644659 is about 18456.5614078029. The cubic root of 340644659 is about 698.3940456150.

The spelling of 340644659 in words is "three hundred forty million, six hundred forty-four thousand, six hundred fifty-nine".