1004536 has 24 divisors (see below), whose sum is σ = 2042280. Its totient is φ = 463008.

The previous prime is 1004527. The next prime is 1004537. The reversal of 1004536 is 6354001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004537) 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 5 ways as a sum of consecutive naturals, for example, 981 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (85095).

2^1004536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021140).

1004536 is an abundant number, since it is smaller than the sum of its proper divisors (1037744).

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

1004536 is a wasteful number, since it uses less digits than its factorization.

1004536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1004536 is about 1002.2654339046. The cubic root of 1004536 is about 100.1509719600.

Adding to 1004536 its reverse (6354001), we get a palindrome (7358537).

It can be divided in two parts, 1004 and 536, that added together give a triangular number (1540 = T₅₅).

The spelling of 1004536 in words is "one million, four thousand, five hundred thirty-six".