4097666 has 4 divisors (see below), whose sum is σ = 6146502. Its totient is φ = 2048832.

The previous prime is 4097647. The next prime is 4097683. The reversal of 4097666 is 6667904.

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., 4084441 + 13225 = 2021^2 + 115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024415 + ... + 1024418.

Almost surely, 2^4097666 is an apocalyptic number.

4097666 is a deficient number, since it is larger than the sum of its proper divisors (2048836).

4097666 is a wasteful number, since it uses less digits than its factorization.

4097666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048835.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 4097666 is about 2024.2692508656. The cubic root of 4097666 is about 160.0216897679.

The spelling of 4097666 in words is "four million, ninety-seven thousand, six hundred sixty-six".