196631403 has 4 divisors (see below), whose sum is σ = 262175208. Its totient is φ = 131087600.

The previous prime is 196631387. The next prime is 196631417. The reversal of 196631403 is 304136691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196631403 - 2⁴ = 196631387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196631443) 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, 32771898 + ... + 32771903.

It is an arithmetic number, because the mean of its divisors is an integer number (65543802).

Almost surely, 2^196631403 is an apocalyptic number.

196631403 is a deficient number, since it is larger than the sum of its proper divisors (65543805).

196631403 is an equidigital number, since it uses as much as digits as its factorization.

196631403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65543804.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 196631403 is about 14022.5319753602. The cubic root of 196631403 is about 581.5016606622.

The spelling of 196631403 in words is "one hundred ninety-six million, six hundred thirty-one thousand, four hundred three".