196385904 has 360 divisors, whose sum is σ = 708826160. Its totient is φ = 51701760.

The previous prime is 196385897. The next prime is 196385927. The reversal of 196385904 is 409583691.

It is a happy number.

196385904 is a `hidden beast` number, since 1 + 9 + 638 + 5 + 9 + 0 + 4 = 666.

196385904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 196385904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11552104 + ... + 11552120.

Almost surely, 2^196385904 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 196385904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354413080).

196385904 is an abundant number, since it is smaller than the sum of its proper divisors (512440256).

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

196385904 is a wasteful number, since it uses less digits than its factorization.

196385904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 196385904 is about 14013.7755084060. The cubic root of 196385904 is about 581.2595536411.

The spelling of 196385904 in words is "one hundred ninety-six million, three hundred eighty-five thousand, nine hundred four".