1804100 has 18 divisors (see below), whose sum is σ = 3915114. Its totient is φ = 721600.

The previous prime is 1804093. The next prime is 1804129. The reversal of 1804100 is 14081.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 1800964 = 56^2 + 1342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8921 + ... + 9120.

2^1804100 is an apocalyptic number.

1804100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804100 is an abundant number, since it is smaller than the sum of its proper divisors (2111014).

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

1804100 is a wasteful number, since it uses less digits than its factorization.

1804100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055 (or 18048 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1804100 is about 1343.1678971744. The cubic root of 1804100 is about 121.7363292390.

Adding to 1804100 its reverse (14081), we get a palindrome (1818181).

The spelling of 1804100 in words is "one million, eight hundred four thousand, one hundred".