1994804 has 24 divisors (see below), whose sum is σ = 4021248. Its totient is φ = 848160.

The previous prime is 1994779. The next prime is 1994807. The reversal of 1994804 is 4084991.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994807) 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, 5162 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (167552).

2^1994804 is an apocalyptic number.

1994804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1994804 is an abundant number, since it is smaller than the sum of its proper divisors (2026444).

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

1994804 is a wasteful number, since it uses less digits than its factorization.

1994804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 573 counting only the distinct ones).

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

The square root of 1994804 is about 1412.3753042304. The cubic root of 1994804 is about 125.8829012014.

The spelling of 1994804 in words is "one million, nine hundred ninety-four thousand, eight hundred four".