196418844 has 48 divisors (see below), whose sum is σ = 515543840. Its totient is φ = 65470032.

The previous prime is 196418843. The next prime is 196418851. The reversal of 196418844 is 448814691.

196418844 is a `hidden beast` number, since 196 + 418 + 8 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 196418844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196418843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 19974.

Almost surely, 2^196418844 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 196418844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257771920).

196418844 is an abundant number, since it is smaller than the sum of its proper divisors (319124996).

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

196418844 is an equidigital number, since it uses as much as digits as its factorization.

196418844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22478 (or 22458 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 196418844 is about 14014.9507312727. The cubic root of 196418844 is about 581.2920502357.

The spelling of 196418844 in words is "one hundred ninety-six million, four hundred eighteen thousand, eight hundred forty-four".