196878528 has 336 divisors, whose sum is σ = 737957376. Its totient is φ = 48660480.

The previous prime is 196878523. The next prime is 196878529. The reversal of 196878528 is 825878691.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×196878528² = 77522309574893568, which contains 22 as substring.

Its product of digits (1935360) is a multiple of the sum of its prime factors (252).

It is not an unprimeable number, because it can be changed into a prime (196878523) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1020000 + ... + 1020192.

Almost surely, 2^196878528 is an apocalyptic number.

196878528 is a gapful number since it is divisible by the number (18) 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 196878528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368978688).

196878528 is an abundant number, since it is smaller than the sum of its proper divisors (541078848).

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

196878528 is a wasteful number, since it uses less digits than its factorization.

196878528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 239 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 196878528 is about 14031.3409195273. The cubic root of 196878528 is about 581.7451677789.

The spelling of 196878528 in words is "one hundred ninety-six million, eight hundred seventy-eight thousand, five hundred twenty-eight".