1804994 has 8 divisors (see below), whose sum is σ = 2825280. Its totient is φ = 863236.

The previous prime is 1804993. The next prime is 1804997. The reversal of 1804994 is 4994081.

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

It is not an unprimeable number, because it can be changed into a prime (1804991) 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, 19574 + ... + 19665.

It is an arithmetic number, because the mean of its divisors is an integer number (353160).

2^1804994 is an apocalyptic number.

1804994 is a deficient number, since it is larger than the sum of its proper divisors (1020286).

1804994 is a wasteful number, since it uses less digits than its factorization.

1804994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39264.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1804994 is about 1343.5006512838. The cubic root of 1804994 is about 121.7564342418.

The spelling of 1804994 in words is "one million, eight hundred four thousand, nine hundred ninety-four".