346646212 has 12 divisors (see below), whose sum is σ = 661779216. Its totient is φ = 157566440.

The previous prime is 346646207. The next prime is 346646213. The reversal of 346646212 is 212646643.

It is not an unprimeable number, because it can be changed into a prime (346646213) 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 3 ways as a sum of consecutive naturals, for example, 3939118 + ... + 3939205.

It is an arithmetic number, because the mean of its divisors is an integer number (55148268).

Almost surely, 2^346646212 is an apocalyptic number.

It is an amenable number.

346646212 is a deficient number, since it is larger than the sum of its proper divisors (315133004).

346646212 is a wasteful number, since it uses less digits than its factorization.

346646212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878338 (or 7878336 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 346646212 is about 18618.4374210082. The cubic root of 346646212 is about 702.4716786326.

The spelling of 346646212 in words is "three hundred forty-six million, six hundred forty-six thousand, two hundred twelve".