1804424 has 16 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 882832.

The previous prime is 1804421. The next prime is 1804433. The reversal of 1804424 is 4244081.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1804424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

2^1804424 is an apocalyptic number.

It is an amenable number.

1804424 is a deficient number, since it is larger than the sum of its proper divisors (1651576).

1804424 is a wasteful number, since it uses less digits than its factorization.

1804424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4848 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1804424 is about 1343.2885021469. The cubic root of 1804424 is about 121.7436163831.

The spelling of 1804424 in words is "one million, eight hundred four thousand, four hundred twenty-four".