2944666 has 4 divisors (see below), whose sum is σ = 4417002. Its totient is φ = 1472332.

The previous prime is 2944657. The next prime is 2944673. The reversal of 2944666 is 6664492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2673225 + 271441 = 1635^2 + 521^2 .

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 as a sum of consecutive naturals, namely, 736165 + ... + 736168.

2^2944666 is an apocalyptic number.

2944666 is a deficient number, since it is larger than the sum of its proper divisors (1472336).

2944666 is a wasteful number, since it uses less digits than its factorization.

2944666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472335.

The product of its digits is 62208, while the sum is 37.

The square root of 2944666 is about 1716.0029137504. The cubic root of 2944666 is about 143.3327215886.

The spelling of 2944666 in words is "two million, nine hundred forty-four thousand, six hundred sixty-six".