1804464 has 40 divisors (see below), whose sum is σ = 5180720. Its totient is φ = 601344.

The previous prime is 1804463. The next prime is 1804469. The reversal of 1804464 is 4644081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1804463) 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, 1657 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (129518).

2^1804464 is an apocalyptic number.

It is an amenable number.

1804464 is an abundant number, since it is smaller than the sum of its proper divisors (3376256).

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

1804464 is a wasteful number, since it uses less digits than its factorization.

1804464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1804464 is about 1343.3033908987. The cubic root of 1804464 is about 121.7445159700.

The spelling of 1804464 in words is "one million, eight hundred four thousand, four hundred sixty-four".