196631406 has 12 divisors (see below), whose sum is σ = 426034752. Its totient is φ = 65543796.

The previous prime is 196631387. The next prime is 196631417. The reversal of 196631406 is 604136691.

196631406 is a `hidden beast` number, since 19 + 6 + 631 + 4 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5461966 + ... + 5462001.

It is an arithmetic number, because the mean of its divisors is an integer number (35502896).

Almost surely, 2^196631406 is an apocalyptic number.

196631406 is an abundant number, since it is smaller than the sum of its proper divisors (229403346).

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

196631406 is a wasteful number, since it uses less digits than its factorization.

196631406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923975 (or 10923972 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 196631406 is about 14022.5320823309. The cubic root of 196631406 is about 581.5016636195.

The spelling of 196631406 in words is "one hundred ninety-six million, six hundred thirty-one thousand, four hundred six".