196903680 has 144 divisors (see below), whose sum is σ = 642829824. Its totient is φ = 51343360.

The previous prime is 196903657. The next prime is 196903691. The reversal of 196903680 is 86309691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179935 + ... + 181025.

It is an arithmetic number, because the mean of its divisors is an integer number (4464096).

Almost surely, 2^196903680 is an apocalyptic number.

196903680 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 196903680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321414912).

196903680 is an abundant number, since it is smaller than the sum of its proper divisors (445926144).

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

196903680 is a wasteful number, since it uses less digits than its factorization.

196903680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 196903680 is about 14032.2371701735. The cubic root of 196903680 is about 581.7699401289.

The spelling of 196903680 in words is "one hundred ninety-six million, nine hundred three thousand, six hundred eighty".