1804461 has 4 divisors (see below), whose sum is σ = 2405952. Its totient is φ = 1202972.

The previous prime is 1804459. The next prime is 1804463. The reversal of 1804461 is 1644081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1804459) and next prime (1804463).

It is a cyclic number.

It is not a de Polignac number, because 1804461 - 2¹ = 1804459 is a prime.

It is a D-number.

1804461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804463) 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, 300741 + ... + 300746.

It is an arithmetic number, because the mean of its divisors is an integer number (601488).

2^1804461 is an apocalyptic number.

It is an amenable number.

1804461 is a deficient number, since it is larger than the sum of its proper divisors (601491).

1804461 is an equidigital number, since it uses as much as digits as its factorization.

1804461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601490.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1804461 is about 1343.3022742481. The cubic root of 1804461 is about 121.7444485014.

The spelling of 1804461 in words is "one million, eight hundred four thousand, four hundred sixty-one".