196912240 has 80 divisors (see below), whose sum is σ = 529966080. Its totient is φ = 66643200.

The previous prime is 196912237. The next prime is 196912259. The reversal of 196912240 is 42219691.

196912240 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 (80).

It is a junction number, because it is equal to n+sod(n) for n = 196912196 and 196912205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42015 + ... + 46465.

It is an arithmetic number, because the mean of its divisors is an integer number (6624576).

Almost surely, 2^196912240 is an apocalyptic number.

196912240 is a gapful number since it is divisible by the number (10) 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 196912240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264983040).

196912240 is an abundant number, since it is smaller than the sum of its proper divisors (333053840).

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

196912240 is a wasteful number, since it uses less digits than its factorization.

196912240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550 (or 4544 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 196912240 is about 14032.5421788071. The cubic root of 196912240 is about 581.7783704412.

The spelling of 196912240 in words is "one hundred ninety-six million, nine hundred twelve thousand, two hundred forty".