1993384 has 16 divisors (see below), whose sum is σ = 3794400. Its totient is φ = 981552.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993384 is 4833991.

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, 1324 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (237150).

2^1993384 is an apocalyptic number.

It is an amenable number.

1993384 is a deficient number, since it is larger than the sum of its proper divisors (1801016).

1993384 is a wasteful number, since it uses less digits than its factorization.

1993384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3788 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 1993384 is about 1411.8725154914. The cubic root of 1993384 is about 125.8530242224.

The spelling of 1993384 in words is "one million, nine hundred ninety-three thousand, three hundred eighty-four".