196136784 has 120 divisors (see below), whose sum is σ = 568713600. Its totient is φ = 63060480.

The previous prime is 196136779. The next prime is 196136789. The reversal of 196136784 is 487631691.

It is a happy number.

196136784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (196136779) and next prime (196136789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196136789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820537 + ... + 820775.

It is an arithmetic number, because the mean of its divisors is an integer number (4739280).

Almost surely, 2^196136784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196136784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284356800).

196136784 is an abundant number, since it is smaller than the sum of its proper divisors (372576816).

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

196136784 is a wasteful number, since it uses less digits than its factorization.

196136784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 424 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 196136784 is about 14004.8842908465. The cubic root of 196136784 is about 581.0136693065.

The spelling of 196136784 in words is "one hundred ninety-six million, one hundred thirty-six thousand, seven hundred eighty-four".