2957666 has 8 divisors (see below), whose sum is σ = 4443984. Its totient is φ = 1476340.

The previous prime is 2957659. The next prime is 2957683. The reversal of 2957666 is 6667592.

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

It is a nialpdrome in base 12.

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, 1181 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (555498).

2^2957666 is an apocalyptic number.

2957666 is a deficient number, since it is larger than the sum of its proper divisors (1486318).

2957666 is a wasteful number, since it uses less digits than its factorization.

2957666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 136080, while the sum is 41.

The square root of 2957666 is about 1719.7866146706. The cubic root of 2957666 is about 143.5433385754.

The spelling of 2957666 in words is "two million, nine hundred fifty-seven thousand, six hundred sixty-six".