189753 has 8 divisors (see below), whose sum is σ = 266400. Its totient is φ = 119808.

The previous prime is 189743. The next prime is 189757. The reversal of 189753 is 357981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189753 - 2¹⁰ = 188729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2¹⁸⁹⁷⁵³ is an apocalyptic number.

It is an amenable number.

189753 is a deficient number, since it is larger than the sum of its proper divisors (76647).

189753 is a wasteful number, since it uses less digits than its factorization.

189753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its digits is 7560, while the sum is 33.

The square root of 189753 is about 435.6064737811. The cubic root of 189753 is about 57.4640480992.

The spelling of 189753 in words is "one hundred eighty-nine thousand, seven hundred fifty-three".