340660853 has 8 divisors (see below), whose sum is σ = 367059000. Its totient is φ = 314290368.

The previous prime is 340660819. The next prime is 340660907. The reversal of 340660853 is 358066043.

It can be written as a sum of positive squares in 4 ways, for example, as 14569489 + 326091364 = 3817^2 + 18058^2 .

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 340660853 - 2⁸ = 340660597 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 (340660553) 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 7 ways as a sum of consecutive naturals, for example, 23723 + ... + 35271.

It is an arithmetic number, because the mean of its divisors is an integer number (45882375).

Almost surely, 2^340660853 is an apocalyptic number.

It is an amenable number.

340660853 is a deficient number, since it is larger than the sum of its proper divisors (26398147).

340660853 is a wasteful number, since it uses less digits than its factorization.

340660853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 340660853 is about 18457.0001083600. Note that the first 3 decimals coincide. The cubic root of 340660853 is about 698.4051124884.

The spelling of 340660853 in words is "three hundred forty million, six hundred sixty thousand, eight hundred fifty-three".