1804828 has 6 divisors (see below), whose sum is σ = 3158456. Its totient is φ = 902412.

The previous prime is 1804819. The next prime is 1804841. The reversal of 1804828 is 8284081.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1804828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225600 + ... + 225607.

2^1804828 is an apocalyptic number.

It is an amenable number.

1804828 is a deficient number, since it is larger than the sum of its proper divisors (1353628).

1804828 is a wasteful number, since it uses less digits than its factorization.

1804828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451211 (or 451209 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1804828 is about 1343.4388709577. The cubic root of 1804828 is about 121.7527016000.

The spelling of 1804828 in words is "one million, eight hundred four thousand, eight hundred twenty-eight".