344966666 has 16 divisors (see below), whose sum is σ = 565913088. Its totient is φ = 156408000.

The previous prime is 344966663. The next prime is 344966681. The reversal of 344966666 is 666669443.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (344966663) 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 7 ways as a sum of consecutive naturals, for example, 10730 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (35369568).

Almost surely, 2^344966666 is an apocalyptic number.

344966666 is a deficient number, since it is larger than the sum of its proper divisors (220946422).

344966666 is a wasteful number, since it uses less digits than its factorization.

344966666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39517.

The product of its digits is 3359232, while the sum is 50.

The square root of 344966666 is about 18573.2782782146. The cubic root of 344966666 is about 701.3353191543.

The spelling of 344966666 in words is "three hundred forty-four million, nine hundred sixty-six thousand, six hundred sixty-six".