193530 has 16 divisors (see below), whose sum is σ = 464544. Its totient is φ = 51600.

The previous prime is 193513. The next prime is 193541. The reversal of 193530 is 35391.

193530 is nontrivially palindromic in base 9.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 193497 and 193506.

It is an unprimeable number.

193530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 3196 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (29034).

2¹⁹³⁵³⁰ is an apocalyptic number.

193530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193530 is an abundant number, since it is smaller than the sum of its proper divisors (271014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193530 is a wasteful number, since it uses less digits than its factorization.

193530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 193530 is about 439.9204473538. The cubic root of 193530 is about 57.8428165805.

The spelling of 193530 in words is "one hundred ninety-three thousand, five hundred thirty".