196508650 has 48 divisors (see below), whose sum is σ = 396459000. Its totient is φ = 72034560.

The previous prime is 196508563. The next prime is 196508651. The reversal of 196508650 is 56805691.

It can be written as a sum of positive squares in 12 ways, for example, as 6702921 + 189805729 = 2589^2 + 13777^2 .

It is not an unprimeable number, because it can be changed into a prime (196508651) 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, 95836 + ... + 97864.

Almost surely, 2^196508650 is an apocalyptic number.

196508650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196508650 is an abundant number, since it is smaller than the sum of its proper divisors (199950350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196508650 is a wasteful number, since it uses less digits than its factorization.

196508650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 196508650 is about 14018.1543007630. The cubic root of 196508650 is about 581.3806289055.

The spelling of 196508650 in words is "one hundred ninety-six million, five hundred eight thousand, six hundred fifty".