346446666 has 16 divisors (see below), whose sum is σ = 769881600. Its totient is φ = 115482204.

The previous prime is 346446649. The next prime is 346446691. The reversal of 346446666 is 666644643.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207786 + ... + 3207893.

It is an arithmetic number, because the mean of its divisors is an integer number (48117600).

Almost surely, 2^346446666 is an apocalyptic number.

346446666 is an abundant number, since it is smaller than the sum of its proper divisors (423434934).

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

346446666 is a wasteful number, since it uses less digits than its factorization.

346446666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415690 (or 6415684 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The square root of 346446666 is about 18613.0778217897. The cubic root of 346446666 is about 702.3368607554.

The spelling of 346446666 in words is "three hundred forty-six million, four hundred forty-six thousand, six hundred sixty-six".