196189005 has 16 divisors (see below), whose sum is σ = 321203520. Its totient is φ = 102200448.

The previous prime is 196189001. The next prime is 196189013. The reversal of 196189005 is 500981691.

It is not a de Polignac number, because 196189005 - 2² = 196189001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196189001) 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, 151440 + ... + 152729.

It is an arithmetic number, because the mean of its divisors is an integer number (20075220).

Almost surely, 2^196189005 is an apocalyptic number.

196189005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196189005 is a deficient number, since it is larger than the sum of its proper divisors (125014515).

196189005 is a wasteful number, since it uses less digits than its factorization.

196189005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304220.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 196189005 is about 14006.7485520373. The cubic root of 196189005 is about 581.0652292805.

The spelling of 196189005 in words is "one hundred ninety-six million, one hundred eighty-nine thousand, five".