3099666 has 8 divisors (see below), whose sum is σ = 6199344. Its totient is φ = 1033220.

The previous prime is 3099623. The next prime is 3099667. The reversal of 3099666 is 6669903.

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

3099666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3099667) 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, 258300 + ... + 258311.

It is an arithmetic number, because the mean of its divisors is an integer number (774918).

Almost surely, 2^3099666 is an apocalyptic number.

3099666 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.

3099666 is a wasteful number, since it uses less digits than its factorization.

3099666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516616.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 3099666 is about 1760.5868339846. The cubic root of 3099666 is about 145.8047367783.

The spelling of 3099666 in words is "three million, ninety-nine thousand, six hundred sixty-six".