196691000 has 64 divisors (see below), whose sum is σ = 502126560. Its totient is φ = 71520000.

The previous prime is 196690999. The next prime is 196691039. The reversal of 196691000 is 196691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060 + ... + 19940.

Almost surely, 2^196691000 is an apocalyptic number.

196691000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196691000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251063280).

196691000 is an abundant number, since it is smaller than the sum of its proper divisors (305435560).

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

196691000 is a wasteful number, since it uses less digits than its factorization.

196691000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913 (or 17899 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 196691000 is about 14024.6568585474. The cubic root of 196691000 is about 581.5604038288.

196691000 divided by its reverse (196691) gives a cube (1000 = 10³).

It can be divided in two parts, 196 and 691000, that added together give a palindrome (691196).

The spelling of 196691000 in words is "one hundred ninety-six million, six hundred ninety-one thousand".