196823424 has 128 divisors (see below), whose sum is σ = 613958400. Its totient is φ = 54687744.

The previous prime is 196823423. The next prime is 196823437. The reversal of 196823424 is 424328691.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196823423) by changing a digit.

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, 98467 + ... + 100445.

It is an arithmetic number, because the mean of its divisors is an integer number (4796550).

Almost surely, 2^196823424 is an apocalyptic number.

196823424 is a gapful number since it is divisible by the number (14) 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 196823424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306979200).

196823424 is an abundant number, since it is smaller than the sum of its proper divisors (417134976).

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

196823424 is a wasteful number, since it uses less digits than its factorization.

196823424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2028 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 196823424 is about 14029.3771779078. The cubic root of 196823424 is about 581.6908881557.

The spelling of 196823424 in words is "one hundred ninety-six million, eight hundred twenty-three thousand, four hundred twenty-four".