190489071 has 8 divisors (see below), whose sum is σ = 254051200. Its totient is φ = 126959832.

The previous prime is 190489027. The next prime is 190489087. The reversal of 190489071 is 170984091.

It is a happy number.

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

It is not a de Polignac number, because 190489071 - 2⁶ = 190489007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190489001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13476 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (31756400).

Almost surely, 2^190489071 is an apocalyptic number.

190489071 is a deficient number, since it is larger than the sum of its proper divisors (63562129).

190489071 is a wasteful number, since it uses less digits than its factorization.

190489071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16445.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 190489071 is about 13801.7778202665. Note that the first 3 decimals coincide. The cubic root of 190489071 is about 575.3825517303.

The spelling of 190489071 in words is "one hundred ninety million, four hundred eighty-nine thousand, seventy-one".