190463089 has 4 divisors (see below), whose sum is σ = 192426724. Its totient is φ = 188499456.

The previous prime is 190463083. The next prime is 190463093. The reversal of 190463089 is 980364091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980364091 = 7 ⋅140052013.

It can be written as a sum of positive squares in 2 ways, for example, as 120824064 + 69639025 = 10992^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 190463089 - 2⁵ = 190463057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190463083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981672 + ... + 981865.

It is an arithmetic number, because the mean of its divisors is an integer number (48106681).

Almost surely, 2^190463089 is an apocalyptic number.

It is an amenable number.

190463089 is a deficient number, since it is larger than the sum of its proper divisors (1963635).

190463089 is an equidigital number, since it uses as much as digits as its factorization.

190463089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963634.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 190463089 is about 13800.8365326164. The cubic root of 190463089 is about 575.3563905283.

The spelling of 190463089 in words is "one hundred ninety million, four hundred sixty-three thousand, eighty-nine".