305799666 has 8 divisors (see below), whose sum is σ = 611599344. Its totient is φ = 101933220.

The previous prime is 305799631. The next prime is 305799667. The reversal of 305799666 is 666997503.

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

305799666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (305799667) 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, 25483300 + ... + 25483311.

It is an arithmetic number, because the mean of its divisors is an integer number (76449918).

Almost surely, 2^305799666 is an apocalyptic number.

305799666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

305799666 is a wasteful number, since it uses less digits than its factorization.

305799666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50966616.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The square root of 305799666 is about 17487.1285807590. The cubic root of 305799666 is about 673.7193209469.

The spelling of 305799666 in words is "three hundred five million, seven hundred ninety-nine thousand, six hundred sixty-six".