196356520 has 64 divisors (see below), whose sum is σ = 469825920. Its totient is φ = 73691904.

The previous prime is 196356493. The next prime is 196356527. The reversal of 196356520 is 25653691.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 196356520.

It is not an unprimeable number, because it can be changed into a prime (196356527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46747 + ... + 50773.

It is an arithmetic number, because the mean of its divisors is an integer number (7341030).

Almost surely, 2^196356520 is an apocalyptic number.

196356520 is a gapful number since it is divisible by the number (10) 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 196356520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234912960).

196356520 is an abundant number, since it is smaller than the sum of its proper divisors (273469400).

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

196356520 is a wasteful number, since it uses less digits than its factorization.

196356520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 196356520 is about 14012.7270722012. The cubic root of 196356520 is about 581.2305621125.

The spelling of 196356520 in words is "one hundred ninety-six million, three hundred fifty-six thousand, five hundred twenty".