190829891 has 8 divisors (see below), whose sum is σ = 218390784. Its totient is φ = 163343880.

The previous prime is 190829809. The next prime is 190829909. The reversal of 190829891 is 198928091.

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

It is not a de Polignac number, because 190829891 - 2¹⁰ = 190828867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190829801) 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, 13145 + ... + 23546.

It is an arithmetic number, because the mean of its divisors is an integer number (27298848).

Almost surely, 2^190829891 is an apocalyptic number.

190829891 is a deficient number, since it is larger than the sum of its proper divisors (27560893).

190829891 is an equidigital number, since it uses as much as digits as its factorization.

190829891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37441.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 190829891 is about 13814.1192625516. The cubic root of 190829891 is about 575.7255023647.

The spelling of 190829891 in words is "one hundred ninety million, eight hundred twenty-nine thousand, eight hundred ninety-one".