189829493 has 8 divisors (see below), whose sum is σ = 217606080. Its totient is φ = 162217440.

The previous prime is 189829489. The next prime is 189829553. The reversal of 189829493 is 394928981.

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

It is not a de Polignac number, because 189829493 - 2² = 189829489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189829433) 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 7 ways as a sum of consecutive naturals, for example, 38648 + ... + 43281.

It is an arithmetic number, because the mean of its divisors is an integer number (27200760).

Almost surely, 2^189829493 is an apocalyptic number.

It is an amenable number.

189829493 is a deficient number, since it is larger than the sum of its proper divisors (27776587).

189829493 is an equidigital number, since it uses as much as digits as its factorization.

189829493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82267.

The product of its digits is 1119744, while the sum is 53.

The square root of 189829493 is about 13777.8624249192. The cubic root of 189829493 is about 574.7176867435.

The spelling of 189829493 in words is "one hundred eighty-nine million, eight hundred twenty-nine thousand, four hundred ninety-three".