1804023 has 24 divisors (see below), whose sum is σ = 2974608. Its totient is φ = 1043712.

The previous prime is 1804013. The next prime is 1804037. The reversal of 1804023 is 3204081.

It is a happy number.

It is not a de Polignac number, because 1804023 - 2⁴ = 1804007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1803987 and 1804005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (123942).

2^1804023 is an apocalyptic number.

1804023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1804023 is a deficient number, since it is larger than the sum of its proper divisors (1170585).

1804023 is a wasteful number, since it uses less digits than its factorization.

1804023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1804023 is about 1343.1392332889. The cubic root of 1804023 is about 121.7345972894.

The spelling of 1804023 in words is "one million, eight hundred four thousand, twenty-three".