196308520 has 32 divisors (see below), whose sum is σ = 467677800. Its totient is φ = 73904128.

The previous prime is 196308491. The next prime is 196308521. The reversal of 196308520 is 25803691.

It can be written as a sum of positive squares in 4 ways, for example, as 183819364 + 12489156 = 13558^2 + 3534^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (196308521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143665 + ... + 145024.

Almost surely, 2^196308520 is an apocalyptic number.

196308520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196308520 is an abundant number, since it is smaller than the sum of its proper divisors (271369280).

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

196308520 is a wasteful number, since it uses less digits than its factorization.

196308520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288717 (or 288713 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 196308520 is about 14011.0142388051. The cubic root of 196308520 is about 581.1831970091.

The spelling of 196308520 in words is "one hundred ninety-six million, three hundred eight thousand, five hundred twenty".