196951636 has 12 divisors (see below), whose sum is σ = 393903328. Its totient is φ = 84407832.

The previous prime is 196951621. The next prime is 196951637. The reversal of 196951636 is 636159691.

196951636 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196951637) 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, 3516966 + ... + 3517021.

Almost surely, 2^196951636 is an apocalyptic number.

It is an amenable number.

196951636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

196951636 is a wasteful number, since it uses less digits than its factorization.

196951636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033998 (or 7033996 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 196951636 is about 14033.9458456986. The cubic root of 196951636 is about 581.8171664252.

The spelling of 196951636 in words is "one hundred ninety-six million, nine hundred fifty-one thousand, six hundred thirty-six".