1804369 has 8 divisors (see below), whose sum is σ = 2112768. Its totient is φ = 1508640.

The previous prime is 1804349. The next prime is 1804381. The reversal of 1804369 is 9634081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1804369 - 2¹³ = 1796177 is a prime.

It is a super-2 number, since 2×1804369² = 6511494976322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1804369.

It is not an unprimeable number, because it can be changed into a prime (1804349) 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, 2857 + ... + 3430.

It is an arithmetic number, because the mean of its divisors is an integer number (264096).

2^1804369 is an apocalyptic number.

It is an amenable number.

1804369 is a deficient number, since it is larger than the sum of its proper divisors (308399).

1804369 is an equidigital number, since it uses as much as digits as its factorization.

1804369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1804369 is about 1343.2680298436. The cubic root of 1804369 is about 121.7423794293.

The spelling of 1804369 in words is "one million, eight hundred four thousand, three hundred sixty-nine".