1804684 has 12 divisors (see below), whose sum is σ = 3609424. Its totient is φ = 773424.

The previous prime is 1804657. The next prime is 1804687. The reversal of 1804684 is 4864081.

1804684 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32199 + ... + 32254.

2^1804684 is an apocalyptic number.

1804684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1804684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1804684 is a wasteful number, since it uses less digits than its factorization.

1804684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64464 (or 64462 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1804684 is about 1343.3852760843. The cubic root of 1804684 is about 121.7494634604.

The spelling of 1804684 in words is "one million, eight hundred four thousand, six hundred eighty-four".