196805380 has 12 divisors (see below), whose sum is σ = 413291340. Its totient is φ = 78722144.

The previous prime is 196805351. The next prime is 196805387. The reversal of 196805380 is 83508691.

It is a happy number.

196805380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 95883264 + 100922116 = 9792^2 + 10046^2 .

It is not an unprimeable number, because it can be changed into a prime (196805387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920115 + ... + 4920154.

It is an arithmetic number, because the mean of its divisors is an integer number (34440945).

Almost surely, 2^196805380 is an apocalyptic number.

196805380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196805380 is an abundant number, since it is smaller than the sum of its proper divisors (216485960).

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

196805380 is a wasteful number, since it uses less digits than its factorization.

196805380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840278 (or 9840276 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 196805380 is about 14028.7340840149. The cubic root of 196805380 is about 581.6731118990.

The spelling of 196805380 in words is "one hundred ninety-six million, eight hundred five thousand, three hundred eighty".