1004666 has 16 divisors (see below), whose sum is σ = 1719144. Its totient is φ = 436224.

The previous prime is 1004659. The next prime is 1004669. The reversal of 1004666 is 6664001.

1004666 = T₁₇₀ + T₁₇₁ + ... + T₂₂₁.

It can be written as a sum of positive squares in 4 ways, for example, as 958441 + 46225 = 979^2 + 215^2 .

It is a Curzon number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1004669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 1578.

2^1004666 is an apocalyptic number.

1004666 is a deficient number, since it is larger than the sum of its proper divisors (714478).

1004666 is a wasteful number, since it uses less digits than its factorization.

1004666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1004666 is about 1002.3302848862. The cubic root of 1004666 is about 100.1552920523.

Adding to 1004666 its reverse (6664001), we get a palindrome (7668667).

The spelling of 1004666 in words is "one million, four thousand, six hundred sixty-six".