196529643 has 24 divisors (see below), whose sum is σ = 288837120. Its totient is φ = 128746800.

The previous prime is 196529629. The next prime is 196529647. The reversal of 196529643 is 346925691.

It is not a de Polignac number, because 196529643 - 2¹⁴ = 196513259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196529647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186468 + ... + 187518.

It is an arithmetic number, because the mean of its divisors is an integer number (12034880).

Almost surely, 2^196529643 is an apocalyptic number.

196529643 is a deficient number, since it is larger than the sum of its proper divisors (92307477).

196529643 is a wasteful number, since it uses less digits than its factorization.

196529643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 196529643 is about 14018.9030597975. The cubic root of 196529643 is about 581.4013311137.

The spelling of 196529643 in words is "one hundred ninety-six million, five hundred twenty-nine thousand, six hundred forty-three".