189788422 has 8 divisors (see below), whose sum is σ = 285278400. Its totient is φ = 94695624.

The previous prime is 189788411. The next prime is 189788453. The reversal of 189788422 is 224887981.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98097 + ... + 100012.

It is an arithmetic number, because the mean of its divisors is an integer number (35659800).

Almost surely, 2^189788422 is an apocalyptic number.

189788422 is a deficient number, since it is larger than the sum of its proper divisors (95489978).

189788422 is a wasteful number, since it uses less digits than its factorization.

189788422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198590.

The product of its digits is 516096, while the sum is 49.

The square root of 189788422 is about 13776.3718736103. The cubic root of 189788422 is about 574.6762356281.

The spelling of 189788422 in words is "one hundred eighty-nine million, seven hundred eighty-eight thousand, four hundred twenty-two".