196849 has 4 divisors (see below), whose sum is σ = 198900. Its totient is φ = 194800.

The previous prime is 196837. The next prime is 196853. The reversal of 196849 is 948691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948691 = 383 ⋅2477.

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 20449 = 420^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 196849 - 2⁵ = 196817 is a prime.

It is a Duffinian number.

196849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (196879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (49725).

2¹⁹⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

196849 is a deficient number, since it is larger than the sum of its proper divisors (2051).

196849 is a wasteful number, since it uses less digits than its factorization.

196849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its digits is 15552, while the sum is 37.

The square root of 196849 is about 443.6766840843. The cubic root of 196849 is about 58.1716082789.

The spelling of 196849 in words is "one hundred ninety-six thousand, eight hundred forty-nine".