1004687 has 2 divisors, whose sum is σ = 1004688. Its totient is φ = 1004686.

The previous prime is 1004677. The next prime is 1004723. The reversal of 1004687 is 7864001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004687 - 2⁴ = 1004671 is a prime.

It is a Chen prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502343 + 502344.

It is an arithmetic number, because the mean of its divisors is an integer number (502344).

2^1004687 is an apocalyptic number.

1004687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004687 is an equidigital number, since it uses as much as digits as its factorization.

1004687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1004687 is about 1002.3407604203. The cubic root of 1004687 is about 100.1559898784.

Adding to 1004687 its reverse (7864001), we get a palindrome (8868688).

The spelling of 1004687 in words is "one million, four thousand, six hundred eighty-seven".