1004665 has 8 divisors (see below), whose sum is σ = 1224000. Its totient is φ = 791472.

The previous prime is 1004659. The next prime is 1004669. The reversal of 1004665 is 5664001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004665 - 2³ = 1004657 is a prime.

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, 1165 + ... + 1834.

It is an arithmetic number, because the mean of its divisors is an integer number (153000).

2^1004665 is an apocalyptic number.

It is an amenable number.

1004665 is a deficient number, since it is larger than the sum of its proper divisors (219335).

1004665 is an equidigital number, since it uses as much as digits as its factorization.

1004665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1004665 is about 1002.3297860485. The cubic root of 1004665 is about 100.1552588222.

Adding to 1004665 its reverse (5664001), we get a palindrome (6668666).

The spelling of 1004665 in words is "one million, four thousand, six hundred sixty-five".