190796449 has 4 divisors (see below), whose sum is σ = 194396436. Its totient is φ = 187196464.

The previous prime is 190796443. The next prime is 190796483. The reversal of 190796449 is 944697091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944697091 = 13 ⋅72669007.

It can be written as a sum of positive squares in 2 ways, for example, as 153586449 + 37210000 = 12393^2 + 6100^2 .

It is a cyclic number.

It is not a de Polignac number, because 190796449 - 2²⁵ = 157242017 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190796443) 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, 1799914 + ... + 1800019.

It is an arithmetic number, because the mean of its divisors is an integer number (48599109).

Almost surely, 2^190796449 is an apocalyptic number.

It is an amenable number.

190796449 is a deficient number, since it is larger than the sum of its proper divisors (3599987).

190796449 is an equidigital number, since it uses as much as digits as its factorization.

190796449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599986.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 190796449 is about 13812.9087812814. The cubic root of 190796449 is about 575.6918693789.

The spelling of 190796449 in words is "one hundred ninety million, seven hundred ninety-six thousand, four hundred forty-nine".