2999966 has 8 divisors (see below), whose sum is σ = 4530600. Its totient is φ = 1489768.

The previous prime is 2999957. The next prime is 2999999. The reversal of 2999966 is 6699992.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 4736 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (566325).

2^2999966 is an apocalyptic number.

2999966 is a deficient number, since it is larger than the sum of its proper divisors (1530634).

2999966 is a wasteful number, since it uses less digits than its factorization.

2999966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218.

The product of its digits is 472392, while the sum is 50.

The square root of 2999966 is about 1732.0409925865. The cubic root of 2999966 is about 144.2244121788.

The spelling of 2999966 in words is "two million, nine hundred ninety-nine thousand, nine hundred sixty-six".