1004480 has 56 divisors (see below), whose sum is σ = 2481072. Its totient is φ = 387072.

The previous prime is 1004477. The next prime is 1004483. The reversal of 1004480 is 844001.

1004480 = 16² + 17² + ... + 144².

It is a happy number.

1004480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1004477) and next prime (1004483).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13724 + ... + 13796.

2^1004480 is an apocalyptic number.

1004480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240536).

1004480 is an abundant number, since it is smaller than the sum of its proper divisors (1476592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004480 is an equidigital number, since it uses as much as digits as its factorization.

1004480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1004480 is about 1002.2374968040. The cubic root of 1004480 is about 100.1491108823.

Adding to 1004480 its reverse (844001), we get a palindrome (1848481).

The spelling of 1004480 in words is "one million, four thousand, four hundred eighty".