196878 has 32 divisors (see below), whose sum is σ = 455040. Its totient is φ = 56160.

The previous prime is 196873. The next prime is 196879. The reversal of 196878 is 878691.

196878 is a nontrivial binomial coefficient, being equal to C(628, 2).

Its product of digits (24192) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196871) by changing a digit.

196878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (14220).

2¹⁹⁶⁸⁷⁸ is an apocalyptic number.

196878 is the 627-th triangular number and also the 314-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227520).

196878 is an abundant number, since it is smaller than the sum of its proper divisors (258162).

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

196878 is a wasteful number, since it uses less digits than its factorization.

196878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its digits is 24192, while the sum is 39.

The square root of 196878 is about 443.7093643366. The cubic root of 196878 is about 58.1744647726.

The spelling of 196878 in words is "one hundred ninety-six thousand, eight hundred seventy-eight".