189889413 has 8 divisors (see below), whose sum is σ = 289355328. Its totient is φ = 108508224.

The previous prime is 189889411. The next prime is 189889417. The reversal of 189889413 is 314988981.

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

It is not a de Polignac number, because 189889413 - 2¹ = 189889411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189889411) 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, 4521156 + ... + 4521197.

It is an arithmetic number, because the mean of its divisors is an integer number (36169416).

Almost surely, 2^189889413 is an apocalyptic number.

It is an amenable number.

189889413 is a deficient number, since it is larger than the sum of its proper divisors (99465915).

189889413 is an equidigital number, since it uses as much as digits as its factorization.

189889413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042363.

The product of its digits is 497664, while the sum is 51.

The square root of 189889413 is about 13780.0367561193. The cubic root of 189889413 is about 574.7781505848.

The spelling of 189889413 in words is "one hundred eighty-nine million, eight hundred eighty-nine thousand, four hundred thirteen".