1804146 has 8 divisors (see below), whose sum is σ = 3608304. Its totient is φ = 601380.

The previous prime is 1804139. The next prime is 1804199. The reversal of 1804146 is 6414081.

It is a sphenic number, since it is the product of 3 distinct primes.

1804146 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150340 + ... + 150351.

It is an arithmetic number, because the mean of its divisors is an integer number (451038).

2^1804146 is an apocalyptic number.

1804146 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.

1804146 is a wasteful number, since it uses less digits than its factorization.

1804146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300696.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1804146 is about 1343.1850207622. The cubic root of 1804146 is about 121.7373638867.

The spelling of 1804146 in words is "one million, eight hundred four thousand, one hundred forty-six".