340605856 has 24 divisors (see below), whose sum is σ = 705862080. Its totient is φ = 161339328.

The previous prime is 340605847. The next prime is 340605871. The reversal of 340605856 is 658506043.

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, 279496 + ... + 280711.

It is an arithmetic number, because the mean of its divisors is an integer number (29410920).

Almost surely, 2^340605856 is an apocalyptic number.

It is an amenable number.

340605856 is an abundant number, since it is smaller than the sum of its proper divisors (365256224).

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

340605856 is a wasteful number, since it uses less digits than its factorization.

340605856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560236 (or 560228 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 340605856 is about 18455.5101798894. The cubic root of 340605856 is about 698.3675264720.

The spelling of 340605856 in words is "three hundred forty million, six hundred five thousand, eight hundred fifty-six".