2949666 has 8 divisors (see below), whose sum is σ = 5899344. Its totient is φ = 983220.

The previous prime is 2949647. The next prime is 2949679. The reversal of 2949666 is 6669492.

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

2949666 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245800 + ... + 245811.

It is an arithmetic number, because the mean of its divisors is an integer number (737418).

2^2949666 is an apocalyptic number.

2949666 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.

2949666 is a wasteful number, since it uses less digits than its factorization.

2949666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491616.

The product of its digits is 139968, while the sum is 42.

The square root of 2949666 is about 1717.4591698203. The cubic root of 2949666 is about 143.4138013401.

The spelling of 2949666 in words is "two million, nine hundred forty-nine thousand, six hundred sixty-six".