196953849 has 20 divisors (see below), whose sum is σ = 302171364. Its totient is φ = 127751904.

The previous prime is 196953847. The next prime is 196953851. The reversal of 196953849 is 948359691.

196953849 is a `hidden beast` number, since 1 + 9 + 69 + 538 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (196953847) and next prime (196953851).

It can be written as a sum of positive squares in 2 ways, for example, as 123543225 + 73410624 = 11115^2 + 8568^2 .

It is not a de Polignac number, because 196953849 - 2¹ = 196953847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196953795 and 196953804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196953847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29862 + ... + 35855.

Almost surely, 2^196953849 is an apocalyptic number.

It is an amenable number.

196953849 is a deficient number, since it is larger than the sum of its proper divisors (105217515).

196953849 is an equidigital number, since it uses as much as digits as its factorization.

196953849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65766 (or 65757 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 196953849 is about 14034.0246900168. The cubic root of 196953849 is about 581.8193455669.

The spelling of 196953849 in words is "one hundred ninety-six million, nine hundred fifty-three thousand, eight hundred forty-nine".