1804264 has 64 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 672000.

The previous prime is 1804249. The next prime is 1804267. The reversal of 1804264 is 4624081.

It is not an unprimeable number, because it can be changed into a prime (1804267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17814 + ... + 17914.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2^1804264 is an apocalyptic number.

1804264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203200).

1804264 is an abundant number, since it is smaller than the sum of its proper divisors (2602136).

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

1804264 is a wasteful number, since it uses less digits than its factorization.

1804264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1804264 is about 1343.2289454892. The cubic root of 1804264 is about 121.7400179024.

It can be divided in two parts, 180 and 4264, that added together give a palindrome (4444).

The spelling of 1804264 in words is "one million, eight hundred four thousand, two hundred sixty-four".