190849 has 4 divisors (see below), whose sum is σ = 197460. Its totient is φ = 184240.

The previous prime is 190843. The next prime is 190871. The reversal of 190849 is 948091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 119025 = 268^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 190849 - 2¹¹ = 188801 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190849.

It is not an unprimeable number, because it can be changed into a prime (190843) 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, 3262 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (49365).

2¹⁹⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

190849 is a deficient number, since it is larger than the sum of its proper divisors (6611).

190849 is an equidigital number, since it uses as much as digits as its factorization.

190849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 190849 is about 436.8626786531. The cubic root of 190849 is about 57.5744718731.

The spelling of 190849 in words is "one hundred ninety thousand, eight hundred forty-nine".