196538856 has 16 divisors (see below), whose sum is σ = 491347200. Its totient is φ = 65512944.

The previous prime is 196538851. The next prime is 196538861. The reversal of 196538856 is 658835691.

It is an interprime number because it is at equal distance from previous prime (196538851) and next prime (196538861).

It is a junction number, because it is equal to n+sod(n) for n = 196538799 and 196538808.

It is not an unprimeable number, because it can be changed into a prime (196538851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094536 + ... + 4094583.

It is an arithmetic number, because the mean of its divisors is an integer number (30709200).

Almost surely, 2^196538856 is an apocalyptic number.

It is an amenable number.

196538856 is an abundant number, since it is smaller than the sum of its proper divisors (294808344).

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

196538856 is a wasteful number, since it uses less digits than its factorization.

196538856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189128 (or 8189124 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 196538856 is about 14019.2316479898. The cubic root of 196538856 is about 581.4104160311.

The spelling of 196538856 in words is "one hundred ninety-six million, five hundred thirty-eight thousand, eight hundred fifty-six".