196886780 has 12 divisors (see below), whose sum is σ = 413462280. Its totient is φ = 78754704.

The previous prime is 196886777. The next prime is 196886783. The reversal of 196886780 is 87688691.

It is an interprime number because it is at equal distance from previous prime (196886777) and next prime (196886783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196886783) 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, 4922150 + ... + 4922189.

It is an arithmetic number, because the mean of its divisors is an integer number (34455190).

Almost surely, 2^196886780 is an apocalyptic number.

196886780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196886780 is an abundant number, since it is smaller than the sum of its proper divisors (216575500).

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

196886780 is a wasteful number, since it uses less digits than its factorization.

196886780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844348 (or 9844346 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 196886780 is about 14031.6349724471. The cubic root of 196886780 is about 581.7532954539.

The spelling of 196886780 in words is "one hundred ninety-six million, eight hundred eighty-six thousand, seven hundred eighty".