196259856 has 80 divisors (see below), whose sum is σ = 548131584. Its totient is φ = 60152832.

The previous prime is 196259839. The next prime is 196259879. The reversal of 196259856 is 658952691.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 196259799 and 196259808.

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, 228580 + ... + 229436.

Almost surely, 2^196259856 is an apocalyptic number.

196259856 is a gapful number since it is divisible by the number (16) 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 196259856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274065792).

196259856 is an abundant number, since it is smaller than the sum of its proper divisors (351871728).

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

196259856 is a wasteful number, since it uses less digits than its factorization.

196259856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1242 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 196259856 is about 14009.2774974301. The cubic root of 196259856 is about 581.1351688059.

The spelling of 196259856 in words is "one hundred ninety-six million, two hundred fifty-nine thousand, eight hundred fifty-six".