196472641 has 4 divisors (see below), whose sum is σ = 196540372. Its totient is φ = 196404912.

The previous prime is 196472629. The next prime is 196472657. The reversal of 196472641 is 146274691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146274691 = 43 ⋅3401737.

It can be written as a sum of positive squares in 2 ways, for example, as 131331600 + 65141041 = 11460^2 + 8071^2 .

It is a cyclic number.

It is not a de Polignac number, because 196472641 - 2¹³ = 196464449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196472594 and 196472603.

It is not an unprimeable number, because it can be changed into a prime (196470641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29310 + ... + 35383.

It is an arithmetic number, because the mean of its divisors is an integer number (49135093).

Almost surely, 2^196472641 is an apocalyptic number.

It is an amenable number.

196472641 is a deficient number, since it is larger than the sum of its proper divisors (67731).

196472641 is an equidigital number, since it uses as much as digits as its factorization.

196472641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67730.

The product of its digits is 72576, while the sum is 40.

The square root of 196472641 is about 14016.8698716939. The cubic root of 196472641 is about 581.3451152628.

The spelling of 196472641 in words is "one hundred ninety-six million, four hundred seventy-two thousand, six hundred forty-one".