340558345 has 8 divisors (see below), whose sum is σ = 411178176. Its totient is φ = 270774576.

The previous prime is 340558333. The next prime is 340558357. The reversal of 340558345 is 543855043.

It is an interprime number because it is at equal distance from previous prime (340558333) and next prime (340558357).

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 340558345 - 2⁵ = 340558313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208117 + ... + 209746.

It is an arithmetic number, because the mean of its divisors is an integer number (51397272).

Almost surely, 2^340558345 is an apocalyptic number.

It is an amenable number.

340558345 is a deficient number, since it is larger than the sum of its proper divisors (70619831).

340558345 is a wasteful number, since it uses less digits than its factorization.

340558345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418031.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 340558345 is about 18454.2229584450. Note that the first 3 decimals coincide. The cubic root of 340558345 is about 698.3350532758.

The spelling of 340558345 in words is "three hundred forty million, five hundred fifty-eight thousand, three hundred forty-five".