196982905 has 16 divisors (see below), whose sum is σ = 270668160. Its totient is φ = 134813952.

The previous prime is 196982873. The next prime is 196982909. The reversal of 196982905 is 509289691.

It is not a de Polignac number, because 196982905 - 2⁵ = 196982873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196982909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14001 + ... + 24289.

It is an arithmetic number, because the mean of its divisors is an integer number (16916760).

Almost surely, 2^196982905 is an apocalyptic number.

It is an amenable number.

196982905 is a deficient number, since it is larger than the sum of its proper divisors (73685255).

196982905 is a wasteful number, since it uses less digits than its factorization.

196982905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 196982905 is about 14035.0598502465. The cubic root of 196982905 is about 581.8479555039.

The spelling of 196982905 in words is "one hundred ninety-six million, nine hundred eighty-two thousand, nine hundred five".