196693408 has 24 divisors (see below), whose sum is σ = 388763172. Its totient is φ = 97959936.

The previous prime is 196693403. The next prime is 196693411. The reversal of 196693408 is 804396691.

196693408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 168688144 + 28005264 = 12988^2 + 5292^2 .

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

It is not an unprimeable number, because it can be changed into a prime (196693403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735 + ... + 20182.

Almost surely, 2^196693408 is an apocalyptic number.

It is an amenable number.

196693408 is a deficient number, since it is larger than the sum of its proper divisors (192069764).

196693408 is a wasteful number, since it uses less digits than its factorization.

196693408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24184 (or 24176 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 196693408 is about 14024.7427070874. The cubic root of 196693408 is about 581.5627770805.

The spelling of 196693408 in words is "one hundred ninety-six million, six hundred ninety-three thousand, four hundred eight".