343630666 has 8 divisors (see below), whose sum is σ = 515806560. Its totient is φ = 171695148.

The previous prime is 343630663. The next prime is 343630667. The reversal of 343630666 is 666036343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (343630663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56476 + ... + 62263.

It is an arithmetic number, because the mean of its divisors is an integer number (64475820).

Almost surely, 2^343630666 is an apocalyptic number.

343630666 is a deficient number, since it is larger than the sum of its proper divisors (172175894).

343630666 is a wasteful number, since it uses less digits than its factorization.

343630666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120188.

The product of its (nonzero) digits is 139968, while the sum is 37.

The square root of 343630666 is about 18537.2777397330. The cubic root of 343630666 is about 700.4287618123.

The spelling of 343630666 in words is "three hundred forty-three million, six hundred thirty thousand, six hundred sixty-six".