1801104 has 40 divisors (see below), whose sum is σ = 4702080. Its totient is φ = 594048.

The previous prime is 1801091. The next prime is 1801109. The reversal of 1801104 is 4011081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7417 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (117552).

2^1801104 is an apocalyptic number.

It is an amenable number.

1801104 is an abundant number, since it is smaller than the sum of its proper divisors (2900976).

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

1801104 is a wasteful number, since it uses less digits than its factorization.

1801104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1801104 is about 1342.0521599401. The cubic root of 1801104 is about 121.6689042769.

Adding to 1801104 its reverse (4011081), we get a palindrome (5812185).

The spelling of 1801104 in words is "one million, eight hundred one thousand, one hundred four".