196187980 has 48 divisors (see below), whose sum is σ = 427019040. Its totient is φ = 75665408.

The previous prime is 196187963. The next prime is 196187983. The reversal of 196187980 is 89781691.

It is not an unprimeable number, because it can be changed into a prime (196187983) 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, 60972 + ... + 64108.

It is an arithmetic number, because the mean of its divisors is an integer number (8896230).

Almost surely, 2^196187980 is an apocalyptic number.

196187980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196187980 is an abundant number, since it is smaller than the sum of its proper divisors (230831060).

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

196187980 is a wasteful number, since it uses less digits than its factorization.

196187980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 196187980 is about 14006.7119624843. The cubic root of 196187980 is about 581.0642173433.

The spelling of 196187980 in words is "one hundred ninety-six million, one hundred eighty-seven thousand, nine hundred eighty".