1993173 has 32 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 1044288.

The previous prime is 1993163. The next prime is 1993193. The reversal of 1993173 is 3713991.

It is not a de Polignac number, because 1993173 - 2⁶ = 1993109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993163) 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, 13303 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^1993173 is an apocalyptic number.

1993173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1993173 is a deficient number, since it is larger than the sum of its proper divisors (1366827).

1993173 is a wasteful number, since it uses less digits than its factorization.

1993173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its digits is 5103, while the sum is 33.

The square root of 1993173 is about 1411.7977900535. The cubic root of 1993173 is about 125.8485835451.

The spelling of 1993173 in words is "one million, nine hundred ninety-three thousand, one hundred seventy-three".