189269493 has 8 divisors (see below), whose sum is σ = 288410688. Its totient is φ = 108153984.

The previous prime is 189269471. The next prime is 189269501. The reversal of 189269493 is 394962981.

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

It is not a de Polignac number, because 189269493 - 2¹³ = 189261301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189269293) 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, 4506396 + ... + 4506437.

It is an arithmetic number, because the mean of its divisors is an integer number (36051336).

Almost surely, 2^189269493 is an apocalyptic number.

It is an amenable number.

189269493 is a deficient number, since it is larger than the sum of its proper divisors (99141195).

189269493 is an equidigital number, since it uses as much as digits as its factorization.

189269493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012843.

The product of its digits is 839808, while the sum is 51.

The square root of 189269493 is about 13757.5249590906. The cubic root of 189269493 is about 574.1519880231.

The spelling of 189269493 in words is "one hundred eighty-nine million, two hundred sixty-nine thousand, four hundred ninety-three".