2906666 has 8 divisors (see below), whose sum is σ = 4982880. Its totient is φ = 1245708.

The previous prime is 2906663. The next prime is 2906681. The reversal of 2906666 is 6666092.

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

2906666 is a modest number, since divided by 6666 gives 290 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2906663) 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, 103796 + ... + 103823.

It is an arithmetic number, because the mean of its divisors is an integer number (622860).

2^2906666 is an apocalyptic number.

2906666 is a deficient number, since it is larger than the sum of its proper divisors (2076214).

2906666 is a wasteful number, since it uses less digits than its factorization.

2906666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207628.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2906666 is about 1704.8947181571. The cubic root of 2906666 is about 142.7134955113.

The spelling of 2906666 in words is "two million, nine hundred six thousand, six hundred sixty-six".