345706312 has 16 divisors (see below), whose sum is σ = 740799360. Its totient is φ = 148159824.

The previous prime is 345706289. The next prime is 345706321. The reversal of 345706312 is 213607543.

345706312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3086608 + ... + 3086719.

It is an arithmetic number, because the mean of its divisors is an integer number (46299960).

Almost surely, 2^345706312 is an apocalyptic number.

It is an amenable number.

345706312 is an abundant number, since it is smaller than the sum of its proper divisors (395093048).

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

345706312 is a wasteful number, since it uses less digits than its factorization.

345706312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173340 (or 6173336 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 345706312 is about 18593.1791794733. The cubic root of 345706312 is about 701.8362077045.

The spelling of 345706312 in words is "three hundred forty-five million, seven hundred six thousand, three hundred twelve".