1004580 has 36 divisors (see below), whose sum is σ = 3047772. Its totient is φ = 267840.

The previous prime is 1004567. The next prime is 1004599. The reversal of 1004580 is 854001.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 665856 = 582^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611 + ... + 2970.

2^1004580 is an apocalyptic number.

1004580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004580 is an abundant number, since it is smaller than the sum of its proper divisors (2043192).

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

1004580 is a wasteful number, since it uses less digits than its factorization.

1004580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1004580 is about 1002.2873839374. The cubic root of 1004580 is about 100.1524341868.

Adding to 1004580 its reverse (854001), we get a palindrome (1858581).

The spelling of 1004580 in words is "one million, four thousand, five hundred eighty".