1804026 has 16 divisors (see below), whose sum is σ = 4123584. Its totient is φ = 515424.

The previous prime is 1804013. The next prime is 1804037. The reversal of 1804026 is 6204081.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1803993 and 1804011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21435 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (257724).

2^1804026 is an apocalyptic number.

1804026 is an abundant number, since it is smaller than the sum of its proper divisors (2319558).

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

1804026 is a wasteful number, since it uses less digits than its factorization.

1804026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42965.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1804026 is about 1343.1403500752. The cubic root of 1804026 is about 121.7346647689.

The spelling of 1804026 in words is "one million, eight hundred four thousand, twenty-six".