2949866 has 8 divisors (see below), whose sum is σ = 4437504. Its totient is φ = 1470700.

The previous prime is 2949841. The next prime is 2949871. The reversal of 2949866 is 6689492.

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

It is a d-powerful number, because it can be written as 2¹⁹ + 9² + 4⁵ + 9³ + 8⁷ + 6⁶ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (554688).

2^2949866 is an apocalyptic number.

2949866 is a deficient number, since it is larger than the sum of its proper divisors (1487638).

2949866 is a wasteful number, since it uses less digits than its factorization.

2949866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236.

The product of its digits is 186624, while the sum is 44.

The square root of 2949866 is about 1717.5173943806. The cubic root of 2949866 is about 143.4170426237.

The spelling of 2949866 in words is "two million, nine hundred forty-nine thousand, eight hundred sixty-six".