196732849 has 4 divisors (see below), whose sum is σ = 197316964. Its totient is φ = 196148736.

The previous prime is 196732841. The next prime is 196732853. The reversal of 196732849 is 948237691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948237691 = 137 ⋅6921443.

It can be written as a sum of positive squares in 2 ways, for example, as 147452449 + 49280400 = 12143^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 196732849 - 2³ = 196732841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196732841) 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, 291552 + ... + 292225.

It is an arithmetic number, because the mean of its divisors is an integer number (49329241).

Almost surely, 2^196732849 is an apocalyptic number.

It is an amenable number.

196732849 is a deficient number, since it is larger than the sum of its proper divisors (584115).

196732849 is an equidigital number, since it uses as much as digits as its factorization.

196732849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584114.

The product of its digits is 653184, while the sum is 49.

The square root of 196732849 is about 14026.1487586579. The cubic root of 196732849 is about 581.6016461759.

It can be divided in two parts, 19673 and 2849, that added together give a palindrome (22522).

The spelling of 196732849 in words is "one hundred ninety-six million, seven hundred thirty-two thousand, eight hundred forty-nine".