196226784 has 144 divisors (see below), whose sum is σ = 636500592. Its totient is φ = 56807424.

The previous prime is 196226773. The next prime is 196226791. The reversal of 196226784 is 487622691.

It is a happy number.

196226784 is a `hidden beast` number, since 19 + 622 + 6 + 7 + 8 + 4 = 666.

196226784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62107 + ... + 65189.

It is an arithmetic number, because the mean of its divisors is an integer number (4420143).

Almost surely, 2^196226784 is an apocalyptic number.

196226784 is the 7488-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196226784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318250296).

196226784 is an abundant number, since it is smaller than the sum of its proper divisors (440273808).

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

196226784 is a wasteful number, since it uses less digits than its factorization.

196226784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3118 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 196226784 is about 14008.0970870422. The cubic root of 196226784 is about 581.1025243613.

The spelling of 196226784 in words is "one hundred ninety-six million, two hundred twenty-six thousand, seven hundred eighty-four".