340906605 has 16 divisors (see below), whose sum is σ = 587408640. Its totient is φ = 167830848.

The previous prime is 340906589. The next prime is 340906637. The reversal of 340906605 is 506609043.

It is a happy number.

It is not a de Polignac number, because 340906605 - 2⁴ = 340906589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873925 + ... + 874314.

It is an arithmetic number, because the mean of its divisors is an integer number (36713040).

Almost surely, 2^340906605 is an apocalyptic number.

It is an amenable number.

340906605 is a deficient number, since it is larger than the sum of its proper divisors (246502035).

340906605 is a wasteful number, since it uses less digits than its factorization.

340906605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748260.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 340906605 is about 18463.6563280408. The cubic root of 340906605 is about 698.5730147642.

The spelling of 340906605 in words is "three hundred forty million, nine hundred six thousand, six hundred five".