1804524 has 12 divisors (see below), whose sum is σ = 4210584. Its totient is φ = 601504.

The previous prime is 1804513. The next prime is 1804529. The reversal of 1804524 is 4254081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1804494 and 1804503.

It is not an unprimeable number, because it can be changed into a prime (1804529) 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 3 ways as a sum of consecutive naturals, for example, 75177 + ... + 75200.

It is an arithmetic number, because the mean of its divisors is an integer number (350882).

2^1804524 is an apocalyptic number.

It is an amenable number.

1804524 is an abundant number, since it is smaller than the sum of its proper divisors (2406060).

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

1804524 is a wasteful number, since it uses less digits than its factorization.

1804524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150384 (or 150382 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1804524 is about 1343.3257237171. The cubic root of 1804524 is about 121.7458653254.

The spelling of 1804524 in words is "one million, eight hundred four thousand, five hundred twenty-four".