345005866384 has 15 divisors (see below), whose sum is σ = 668453418283. Its totient is φ = 172501758448.

The previous prime is 345005866369. The next prime is 345005866391. The reversal of 345005866384 is 483668500543.

The square root of 345005866384 is 587372.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×345005866384³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2276067 + ... + 2422909.

Almost surely, 2^345005866384 is an apocalyptic number.

345005866384 is the 587372-nd square number.

It is an amenable number.

345005866384 is a deficient number, since it is larger than the sum of its proper divisors (323447551899).

345005866384 is an frugal number, since it uses more digits than its factorization.

345005866384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293694 (or 146845 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 345005866384 in words is "three hundred forty-five billion, five million, eight hundred sixty-six thousand, three hundred eighty-four".