1804041 has 12 divisors (see below), whose sum is σ = 2669940. Its totient is φ = 1173120.

The previous prime is 1804037. The next prime is 1804063. The reversal of 1804041 is 1404081.

It can be written as a sum of positive squares in 2 ways, for example, as 585225 + 1218816 = 765^2 + 1104^2 .

It is not a de Polignac number, because 1804041 - 2² = 1804037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (222495).

2^1804041 is an apocalyptic number.

It is an amenable number.

1804041 is a deficient number, since it is larger than the sum of its proper divisors (865899).

1804041 is a wasteful number, since it uses less digits than its factorization.

1804041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1804041 is about 1343.1459339923. The cubic root of 1804041 is about 121.7350021652.

It can be divided in two parts, 18040 and 41, that added together give a palindrome (18081).

The spelling of 1804041 in words is "one million, eight hundred four thousand, forty-one".