1004487 has 16 divisors (see below), whose sum is σ = 1488000. Its totient is φ = 597600.

The previous prime is 1004483. The next prime is 1004501. The reversal of 1004487 is 7844001.

It is not a de Polignac number, because 1004487 - 2² = 1004483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1764 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (93000).

2^1004487 is an apocalyptic number.

1004487 is a deficient number, since it is larger than the sum of its proper divisors (483513).

1004487 is a wasteful number, since it uses less digits than its factorization.

1004487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1004487 is about 1002.2409889842. The cubic root of 1004487 is about 100.1493435208.

Adding to 1004487 its reverse (7844001), we get a palindrome (8848488).

The spelling of 1004487 in words is "one million, four thousand, four hundred eighty-seven".