196481380 has 24 divisors (see below), whose sum is σ = 426840120. Its totient is φ = 75882240.

The previous prime is 196481371. The next prime is 196481381. The reversal of 196481380 is 83184691.

It can be written as a sum of positive squares in 4 ways, for example, as 33124 + 196448256 = 182^2 + 14016^2 .

It is not an unprimeable number, because it can be changed into a prime (196481381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168801 + ... + 169960.

It is an arithmetic number, because the mean of its divisors is an integer number (17785005).

Almost surely, 2^196481380 is an apocalyptic number.

196481380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196481380 is an abundant number, since it is smaller than the sum of its proper divisors (230358740).

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

196481380 is a wasteful number, since it uses less digits than its factorization.

196481380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338799 (or 338797 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 196481380 is about 14017.1815997368. The cubic root of 196481380 is about 581.3537344436.

The spelling of 196481380 in words is "one hundred ninety-six million, four hundred eighty-one thousand, three hundred eighty".