1804434 has 8 divisors (see below), whose sum is σ = 3608880. Its totient is φ = 601476.

The previous prime is 1804433. The next prime is 1804447. The reversal of 1804434 is 4344081.

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

1804434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1804433) 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, 150364 + ... + 150375.

It is an arithmetic number, because the mean of its divisors is an integer number (451110).

2^1804434 is an apocalyptic number.

1804434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1804434 is a wasteful number, since it uses less digits than its factorization.

1804434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300744.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1804434 is about 1343.2922243503. The cubic root of 1804434 is about 121.7438412810.

The spelling of 1804434 in words is "one million, eight hundred four thousand, four hundred thirty-four".