1894804 has 12 divisors (see below), whose sum is σ = 3328864. Its totient is φ = 943704.

The previous prime is 1894793. The next prime is 1894811. The reversal of 1894804 is 4084981.

It is a self number, because there is not a number n which added to its sum of digits gives 1894804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457 + ... + 1999.

2^1894804 is an apocalyptic number.

It is an amenable number.

1894804 is a deficient number, since it is larger than the sum of its proper divisors (1434060).

1894804 is a wasteful number, since it uses less digits than its factorization.

1894804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1894804 is about 1376.5187975469. The cubic root of 1894804 is about 123.7432251503.

The spelling of 1894804 in words is "one million, eight hundred ninety-four thousand, eight hundred four".