8330666 has 4 divisors (see below), whose sum is σ = 12496002. Its totient is φ = 4165332.

The previous prime is 8330659. The next prime is 8330677. The reversal of 8330666 is 6660338.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6660338 = 2 ⋅3330169.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 42025 = 2879^2 + 205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082665 + ... + 2082668.

Almost surely, 2^8330666 is an apocalyptic number.

8330666 is a deficient number, since it is larger than the sum of its proper divisors (4165336).

8330666 is a wasteful number, since it uses less digits than its factorization.

8330666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165335.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 8330666 is about 2886.2893132879. The cubic root of 8330666 is about 202.7184331973.

The spelling of 8330666 in words is "eight million, three hundred thirty thousand, six hundred sixty-six".