196931371 has 16 divisors (see below), whose sum is σ = 255136000. Its totient is φ = 147611808.

The previous prime is 196931369. The next prime is 196931381. The reversal of 196931371 is 173139691.

It is a cyclic number.

It is not a de Polignac number, because 196931371 - 2¹ = 196931369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196931311) 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 15 ways as a sum of consecutive naturals, for example, 55221 + ... + 58678.

It is an arithmetic number, because the mean of its divisors is an integer number (15946000).

Almost surely, 2^196931371 is an apocalyptic number.

196931371 is a deficient number, since it is larger than the sum of its proper divisors (58204629).

196931371 is a wasteful number, since it uses less digits than its factorization.

196931371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113938.

The product of its digits is 30618, while the sum is 40.

The square root of 196931371 is about 14033.2238277596. The cubic root of 196931371 is about 581.7972107150.

The spelling of 196931371 in words is "one hundred ninety-six million, nine hundred thirty-one thousand, three hundred seventy-one".