1804001 has 8 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 1746160.

The previous prime is 1803973. The next prime is 1804007. The reversal of 1804001 is 1004081.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1804001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1804007) 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 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 6303.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^1804001 is an apocalyptic number.

It is an amenable number.

1804001 is a deficient number, since it is larger than the sum of its proper divisors (58783).

1804001 is a wasteful number, since it uses less digits than its factorization.

1804001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1804001 is about 1343.1310434950. The cubic root of 1804001 is about 121.7341024376.

Adding to 1804001 its reverse (1004081), we get a palindrome (2808082).

The spelling of 1804001 in words is "one million, eight hundred four thousand, one".