1004481 has 10 divisors (see below), whose sum is σ = 1500642. Its totient is φ = 669600.

The previous prime is 1004477. The next prime is 1004483. The reversal of 1004481 is 1844001.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 194481 = 900^2 + 441^2 .

It is not a de Polignac number, because 1004481 - 2² = 1004477 is a prime.

It is a super-2 number, since 2×1004481² = 2017964158722, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6120 + ... + 6281.

2^1004481 is an apocalyptic number.

It is an amenable number.

1004481 is a deficient number, since it is larger than the sum of its proper divisors (496161).

1004481 is an equidigital number, since it uses as much as digits as its factorization.

1004481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1004481 is about 1002.2379956877. The cubic root of 1004481 is about 100.1491441164.

Adding to 1004481 its reverse (1844001), we get a palindrome (2848482).

It can be divided in two parts, 1004 and 481, that added together give a triangular number (1485 = T₅₄).

The spelling of 1004481 in words is "one million, four thousand, four hundred eighty-one".