196564 has 12 divisors (see below), whose sum is σ = 347284. Its totient is φ = 97344.

The previous prime is 196561. The next prime is 196579. The reversal of 196564 is 465691.

It can be written as a sum of positive squares in 2 ways, for example, as 20164 + 176400 = 142^2 + 420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 784.

2¹⁹⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

196564 is a deficient number, since it is larger than the sum of its proper divisors (150720).

196564 is a wasteful number, since it uses less digits than its factorization.

196564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 196564 is about 443.3553879226. The cubic root of 196564 is about 58.1435209025.

The spelling of 196564 in words is "one hundred ninety-six thousand, five hundred sixty-four".