340718660 has 12 divisors (see below), whose sum is σ = 715509228. Its totient is φ = 136287456.

The previous prime is 340718657. The next prime is 340718689. The reversal of 340718660 is 66817043.

It can be written as a sum of positive squares in 2 ways, for example, as 139759684 + 200958976 = 11822^2 + 14176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340718660.

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 3 ways as a sum of consecutive naturals, for example, 8517947 + ... + 8517986.

It is an arithmetic number, because the mean of its divisors is an integer number (59625769).

Almost surely, 2^340718660 is an apocalyptic number.

It is an amenable number.

340718660 is an abundant number, since it is smaller than the sum of its proper divisors (374790568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340718660 is a wasteful number, since it uses less digits than its factorization.

340718660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035942 (or 17035940 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 340718660 is about 18458.5660331457. The cubic root of 340718660 is about 698.4446145528. Note that the first 3 decimals are identical.

The spelling of 340718660 in words is "three hundred forty million, seven hundred eighteen thousand, six hundred sixty".