1804704 has 48 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 546560.

The previous prime is 1804687. The next prime is 1804709. The reversal of 1804704 is 4074081.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1804709) 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, 202 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^1804704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585520).

1804704 is an abundant number, since it is smaller than the sum of its proper divisors (3366336).

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

1804704 is a wasteful number, since it uses less digits than its factorization.

1804704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1804704 is about 1343.3927199445. The cubic root of 1804704 is about 121.7499132123.

Adding to 1804704 its reverse (4074081), we get a palindrome (5878785).

It can be divided in two parts, 180 and 4704, that added together give a palindrome (4884).

The spelling of 1804704 in words is "one million, eight hundred four thousand, seven hundred four".