345705648 has 20 divisors (see below), whose sum is σ = 893073048. Its totient is φ = 115235200.

The previous prime is 345705631. The next prime is 345705677. The reversal of 345705648 is 846507543.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3601053 + ... + 3601148.

Almost surely, 2^345705648 is an apocalyptic number.

It is an amenable number.

345705648 is an abundant number, since it is smaller than the sum of its proper divisors (547367400).

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

345705648 is a wasteful number, since it uses less digits than its factorization.

345705648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202212 (or 7202206 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 345705648 is about 18593.1613234544. The cubic root of 345705648 is about 701.8357583640.

The spelling of 345705648 in words is "three hundred forty-five million, seven hundred five thousand, six hundred forty-eight".