189328293 has 64 divisors (see below), whose sum is σ = 368179200. Its totient is φ = 93156480.

The previous prime is 189328291. The next prime is 189328309. The reversal of 189328293 is 392823981.

It is not a de Polignac number, because 189328293 - 2¹ = 189328291 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189328291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37105 + ... + 41897.

It is an arithmetic number, because the mean of its divisors is an integer number (5752800).

Almost surely, 2^189328293 is an apocalyptic number.

It is an amenable number.

189328293 is a deficient number, since it is larger than the sum of its proper divisors (178850907).

189328293 is a wasteful number, since it uses less digits than its factorization.

189328293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4833 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 189328293 is about 13759.6618054369. The cubic root of 189328293 is about 574.2114387757.

It can be divided in two parts, 18932 and 8293, that added together give a square (27225 = 165²).

The spelling of 189328293 in words is "one hundred eighty-nine million, three hundred twenty-eight thousand, two hundred ninety-three".