1804038 has 8 divisors (see below), whose sum is σ = 3608088. Its totient is φ = 601344.

The previous prime is 1804037. The next prime is 1804063. The reversal of 1804038 is 8304081.

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

1804038 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1803999 and 1804017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804037) 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, 150331 + ... + 150342.

It is an arithmetic number, because the mean of its divisors is an integer number (451011).

2^1804038 is an apocalyptic number.

1804038 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.

1804038 is a wasteful number, since it uses less digits than its factorization.

1804038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300678.

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

The square root of 1804038 is about 1343.1448172107. The cubic root of 1804038 is about 121.7349346861.

The spelling of 1804038 in words is "one million, eight hundred four thousand, thirty-eight".