1004288 has 18 divisors (see below), whose sum is σ = 2005164. Its totient is φ = 502016.

The previous prime is 1004287. The next prime is 1004293. The reversal of 1004288 is 8824001.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1004287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (111398).

2^1004288 is an apocalyptic number.

It is an amenable number.

1004288 is a deficient number, since it is larger than the sum of its proper divisors (1000876).

1004288 is an frugal number, since it uses more digits than its factorization.

1004288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1004288 is about 1002.1417065465. The cubic root of 1004288 is about 100.1427295193.

Adding to 1004288 its reverse (8824001), we get a palindrome (9828289).

The spelling of 1004288 in words is "one million, four thousand, two hundred eighty-eight".