1993383 has 32 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 1111968.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993383 is 3833991.

It is not a de Polignac number, because 1993383 - 2⁴ = 1993367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9918 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2^1993383 is an apocalyptic number.

1993383 is a deficient number, since it is larger than the sum of its proper divisors (1462617).

1993383 is a wasteful number, since it uses less digits than its factorization.

1993383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 262 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1993383 is about 1411.8721613517. The cubic root of 1993383 is about 125.8530031773.

The spelling of 1993383 in words is "one million, nine hundred ninety-three thousand, three hundred eighty-three".