346648665 has 96 divisors (see below), whose sum is σ = 645958656. Its totient is φ = 158400000.

The previous prime is 346648661. The next prime is 346648691. The reversal of 346648665 is 566846643.

It is not a de Polignac number, because 346648665 - 2² = 346648661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (346648661) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 3432115 + ... + 3432215.

It is an arithmetic number, because the mean of its divisors is an integer number (6728736).

Almost surely, 2^346648665 is an apocalyptic number.

It is an amenable number.

346648665 is a deficient number, since it is larger than the sum of its proper divisors (299309991).

346648665 is a wasteful number, since it uses less digits than its factorization.

346648665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 212 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The square root of 346648665 is about 18618.5032964522. The cubic root of 346648665 is about 702.4733356140.

The spelling of 346648665 in words is "three hundred forty-six million, six hundred forty-eight thousand, six hundred sixty-five".