1993304 has 16 divisors (see below), whose sum is σ = 3759720. Its totient is φ = 990720.

The previous prime is 1993289. The next prime is 1993307. The reversal of 1993304 is 4033991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993307) by changing a digit.

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, 899 + ... + 2189.

2^1993304 is an apocalyptic number.

It is an amenable number.

1993304 is a deficient number, since it is larger than the sum of its proper divisors (1766416).

1993304 is a wasteful number, since it uses less digits than its factorization.

1993304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1993304 is about 1411.8441840373. The cubic root of 1993304 is about 125.8513405902.

The spelling of 1993304 in words is "one million, nine hundred ninety-three thousand, three hundred four".